Topics by letter A

  1. alligator and crocodile
  2. able and capable
  3. ale and beer
  4. allergy and common-cold
  5. advertising and marketing
  6. almonds and peanuts
  7. assemble and coalesce
  8. atom and electron
  9. alienation and disposal
  10. authentic and genuine
  11. alone and lonely
  12. affect and effect
  13. agreement and contract
  14. aids and hiv
  15. amphetamine and cocaine
  16. android and apple
  17. algebra and trigonometry
  18. arteriosclerosis and atherosclerosis
  19. aldose and ketose
  20. angel and ghost
  21. accurate-measurement and precise-measurement
  22. arson and incendiary
  23. actor and waiter
  24. anxious and excited
  25. aggression and assertion
  26. amphibian and reptile
  27. able and willing
  28. anarchist and fascist
  29. abundant and greedy
  30. article and purview
  31. algeria and morocco
  32. accord and bestow
  33. attractive and magnetic
  34. antiphrasis and antithesis
  35. arrogant and confident
  36. antinomy and oxymoron
  37. adventurous and intrepid
  38. alpacas and llamas
  39. articulate and eloquent
  40. aporia and malapropism
  41. acceleration and velocity
  42. al-qaeda and taliban
  43. age and generation
  44. adam-smith and karl-marx
  45. adage and proverb
  46. average and median
  47. art and nudity
  48. associate and conflate
  49. ambiguity and uncertainty
  50. atrophy and deteriorate
  51. absolve and vindicate
  52. acquit and exonerate
  53. array and plethora
  54. annulment and divorce
  55. accord and congruence
  56. agitate and irritate
  57. apple and fenland
  58. ambiance and atmosphere
  59. algebra and arithmetic
  60. alienate and ostracize
  61. attorney and lawyer
  62. anxiety-attack and hot-flash
  63. accuracy and precision
  64. ale and lager
  65. apartment and condo
  66. attain and obtain
  67. autotroph and heterotroph
  68. adhesion and cohesion
  69. aerobic and anaerobic
  70. affidavit and declaration
  71. aristotle and plato
  72. antiperspirant and deodorant
  73. absolute and relative
  74. ape and gorilla
  75. anger and rage
  76. adhd and bipolar-disorder
  77. argumentative and discursive
  78. agp and pci
  79. apa and mla
  80. asthma and bronchitis
  81. attorney and paralegal
  82. acrylic and enamel
  83. aquamarine and topaz
  84. anxiety and fear
  85. accountant and auditor
  86. allergy and asthma
  87. arthritis and tendonitis
  88. asthma and pneumonia
  89. anxiety and stress
  90. average and mean
  91. accountant and bookkeeper
  92. asthma and bronchiolitis
  93. affirmation and prayer
  94. analog and digital
  95. ampule and vial
  96. ajax and javascript
  97. appreciation and gratitude
  98. america and china
  99. assurence and audit
  100. agnostic and atheist
  101. allot and alot
  102. act-of-god and natural-disaster
  103. award and reward
  104. acceptance and tolerance
  105. atom and ion
  106. allopathic and osteopathic
  107. average-basis and average-rate
  108. anion and cation
  109. altar and alter
  110. arbitration and litigation
  111. arbitration and mediation
  112. addiction and dependence
  113. appropriation and authorization
  114. ant and termite
  115. anxiety and depression
  116. animation and animatronics
  117. add and adhd
  118. addiction and compulsion
  119. aluminum and steel
  120. advil and aleve
  121. amortization and depreciation
  122. alpha and omega
  123. advertising and public-relations
  124. anaesthesia and analgesia
  125. artistic and creative
  126. astronomy and astrophysics
  127. alienation and estrangement
  128. azalea and rhododendron
  129. awol and desertion
  130. anger and hostility
  131. ascii and binary
  132. anxiety-disorder and panic-disorder
  133. appetite and hunger
  134. abundance and wealth
  135. assertive and pushy
  136. among and between
  137. ampere and kilowatt
  138. arid and drought
  139. autism and gifted
  140. abnormality and normality
  141. arid and dry
  142. admissibility and relevance
  143. affront and offend
  144. abstract and concrete
  145. abscissa and domain
  146. abase and abate
  147. after and afterward
  148. artery and vein
  149. ambiguity and risk
  150. alternator and generator
  151. algorithmic and formulaic
  152. awning and canopy
  153. appoggiatura and elliptical
  154. anarchy and disestablishmentarianism
  155. aristocracy and feudalism
  156. algae and angiosperm
  157. actor and actress
  158. affection and love
  159. asbestosis and mesothelioma
  160. autism and cerebral-palsy
  161. assurance and insurance
  162. action and reaction
  163. aries and taurus
  164. ambition and aspiration
  165. aspiration and desire
  166. arthritis and gout
  167. although and despite
  168. aim and requirement
  169. aa and na
  170. achiever and dreamer
  171. apple and quince
  172. accident and incident
  173. abase and abash
  174. asynchronous and synchronous
  175. aspiration and inspiration
  176. apr and note rate
  177. art and design
  178. asthma and chronic-bronchitis
  179. allegory and analogy
  180. arena and stadium
  181. assuage and attenuate
  182. angiosperm and moss
  183. annuity and perpetuity
  184. ascii and unicode
  185. arabic and farsi
  186. assumption and presuppositions
  187. anti-rationalism and rationalism
  188. atelectasis and emphysema
  189. asbestosis and pleural-plaques
  190. asbestos and fiberglass
  191. asbestosis and emphysema
  192. asbestosis and pulmonary-fibrosis
  193. apparel and clothing
  194. admire and envy
  195. anemia and hemophilia
  196. arthritis and bursitis
  197. arthritis and rheumatoid-arthritis
  198. adhd and autism
  199. acid-reflux and heartburn
  200. arena and colliseum
  201. arena and field-house
  202. advance and advancement
  203. accrued-revenue and deferred-revenue
  204. asthma and copd
  205. altruistic and amiable
  206. arrogant and haughty
  207. adenoma and carcinoma
  208. acid-reflux and ulcer
  209. ambiguity and vagueness
  210. assurance and audit
  211. audit and review
  212. arrogant and contemptuous
  213. assessment and evaluation
  214. assessment and screening
  215. assault and battery
  216. abatement and remediation
  217. abatement and exemption
  218. abrogate and overrule
  219. accomplice and conspirator
  220. accounts-payable and accounts-receivable
  221. accretion and amortization
  222. anionic-polymarization and cationic-polymarizion
  223. awesome and awestruck
  224. arrow-root and casava
  225. absurdism and existentialism
  226. autobiography and memoir
  227. agave and honey
  228. agriculture and farming
  229. acrylic and polyester
  230. adoration and appreciation
  231. apple-ipad-3 and apple-ipad2
  232. ability and qualified
  233. authorize and entrust
  234. antique and curio
  235. austerity and thrifty
  236. aeroplane and aircraft
  237. alternating-current and direct-current
  238. assumption and proposition
  239. adjective and adverb
  240. arenas and stadium
  241. acrylic and polystyrene
  242. accusation and allegation
  243. autotrophic-eukaryotes and hetrotrophic-eukaryotes
  244. assumption-of-risk and volenti-non-fit-injuria
  245. aquired-immunity and natural-immunity
  246. absolute-assignment and collateral-assignment
  247. appraised-value and assessed-value
  248. abdominoplasty and abdominoscopy
  249. abdominoplasty and tummy-tuck
  250. abdominoplasty and lipoplasty
  251. acetaminophen and ibuprofin
  252. allergic-conjunctivitis and pink-eye
  253. alopecia and male-pattern-baldness
  254. analgesia and analgesic
  255. antibiotic and probiotic
  256. assumption and principle
  257. antisocial-personality-disorder and multiple-personality-disorder
  258. antisocial and introvert
  259. apheresis and blood-transfusion
  260. astigmatism and cataracts
  261. asymmetry and symmetry
  262. anxiety and bipolar
  263. alpha-hydroxy-acid and retinol
  264. acid-rinse and skin-peel
  265. algae and seaweed
  266. ayurveda and traditional-chinese-medicine
  267. assurance and reinsurance
  268. animal-antibiotics and human-antibiotics
  269. attitude and personality
  270. attitude and disposition
  271. abdominoplasty and panniculectomy
  272. anterior-resection and ap-resection
  273. anterior-resection and hartmann-procedure
  274. aquit and exonerate
  275. ailment and malady
  276. adenocarcinoma and mesothelioma
  277. accutane and acne-laser-treatment
  278. accutane and retin-a
  279. accutane and spironolactone
  280. annuity-settlement and lump-sum
  281. anglicana and orthodox
  282. anger and passion
  283. allergy and illness
  284. allograft and autograft
  285. adaptive and responsive
  286. arborizing-veins and spider-veins
  287. adware and malware
  288. apple-brandy and pomance-brandy
  289. anonymous-function and closure
  290. arthritis and osteoarthritis
  291. avant-garde and futurism
  292. avante-garde and odalisque
  293. arena and music-hall
  294. ameliorate and pacify
  295. arid and sere
  296. adam-smith and john-maynard-keynes
  297. adviser and benefactor
  298. advise and exhort
  299. avante-garde and forefront
  300. avante-garde and metropolis
  301. adapt and adopt
  302. avante-garde and courtesan
  303. await and wait
  304. argue and wrangle
  305. abide and resided
  306. annuity and structured-settlement
  307. ascertain and assert
  308. annuity and installment-note
  309. annuity-due and immediate-annuity
  310. absolutism and dogmatic
  311. a-cash-balance-benefit-program and a-defined-benefit-program
  312. authoritarianism and dogmatic
  313. activty-diagram and sequence-diagram
  314. analysis and synthesis
  315. abstraction and encapsulation
  316. allele and gene
  317. ass and donkey
  318. aim and purpose
  319. axiom and hypothesis
  320. absolutism and totalitarian
  321. advocate and recommend
  322. affluent and wealthy
  323. aware and mindful
  324. apple and banana
  325. aramids and polyamide
  326. aristocracy and oligarchy
  327. annuity and lump-sum-payment
  328. aristocracy and monarchy
  329. amenities and facilities
  330. axiology and metaphysics
  331. army and military
  332. attribute and characteristic
  333. abhor and hate
  334. aspect and characteristic
  335. access-2013 and dbase-8-plus
  336. alpha-hydroxy and retinol
  337. agreement and protocol
  338. amazing and phenomenal
  339. agreement and legal-protocol
  340. adopt and pass
  341. assyria and persia
  342. approach and method
  343. agile and rup
  344. abnormal and irregular
  345. analingus and cunnalingus
  346. animals and people
  347. aid and amenity
  348. amenity and appliance
  349. allele and trait
  350. alexander and marcus
  351. anode and cathode
  352. abate and attenuate
  353. alleviate and attenuate
  354. aspnet and php
  355. arts and athletics
  356. ambition and apirant
  357. alicit and derive
  358. auber and wasp
  359. ambivalence and contradiction
  360. aware and conscious
  361. apricot-kernel-oil and apricot-oil
  362. ambigious and cryptic
  363. ambiguous and cryptic
  364. aquitted and not-guilty
  365. acquit and not-guilty
  366. assume and surmise
  367. altruitic and magnanimous
  368. altruistic and magnanimous
  369. advil and motrin
  370. animal and human
  371. alice and andrew
  372. american-pear and korean-pear
  373. air-mattress and coil-mattress
  374. acrylic and mylar
  375. administration and management
  376. axiom and construct
  377. adsl and dsl
  378. arse and elbow
  379. advil and alive
  380. apple and taco
  381. annoyed and irritated
  382. accrual and entitlement
  383. antibodies and immunoglobulin
  384. actor and thespian
  385. aquaeous-humor and vitreous-humor
  386. aqueous-humor and vitreous-humor
  387. art-gallery and museum
  388. abb and sbb
  389. adjective and attribute
  390. alzheimers and dimensia
  391. android and iphone
  392. alzheimers and senile-dementia
  393. anemia-of-chronic-disease and pernicious-anemis
  394. anemia-of-chronic-disease and pernicious-anemia
  395. android-cell-phone and apple-cell-phone
  396. aeroplane and jet
  397. apprehend and grasp
  398. alpha-hydroxy-acids and retinol
  399. acid and lsd
  400. arrogance and confidence
  401. arrogance and pride
  402. assign and delegate
  403. affliction and misfortune
  404. aeroplane and helicaptor
  405. aeronautical and mechanical
  406. aeronautical-field and mechanical-field
  407. apple and white
  408. agoraphobia and social-phobia
  409. ambitious and driven
  410. agitated and irritated
  411. arrogant and egotistical
  412. and and of
  413. almond and penut
  414. ask and question
  415. acquit and justify
  416. alternator and motor
  417. audience and spectator
  418. attrition and detrition
  419. appreciation and expectation
  420. anticipate and expect
  421. adoration and love
  422. antibiotics and toxins
  423. adherence and adhesion
  424. acquire and obtain
  425. apple-ipad-computer and apple-macbookpro-computer
  426. assessment and review
  427. algebraic-expression and polynomial
  428. acerbic and acrid
  429. acidulous and acrimonious
  430. ardent and vehement
  431. adb-port and serial-port
  432. adb-port and appletalk
  433. abs and arms
  434. apple-imac and apple-pro
  435. angiography and arteriogram
  436. apple-i-phone-5 and galaxy-s4
  437. agile and ductile
  438. amish and mennonite
  439. absolutist and fanatic
  440. autocracy and commonwealth
  441. apricots and peaches
  442. apple and pear
  443. apple and batman
  444. aashray and umeed
  445. apricot and peach
  446. amend and mend
  447. agitation and irritation
  448. agitation and friction
  449. agitation and pain
  450. agitation and lubricity
  451. agitation and restlessness
  452. agitation and boredom
  453. agriculture and former
  454. autocrat and despot
  455. antihistamine and sudafed
  456. antihistamine and decongestant
  457. axiom and law
  458. acerb and acerbic
  459. apr and lar
  460. apple-iphone-5c and samsung-galaxy-s4
  461. apartment and studio-apartment
  462. ataxia and atrophy
  463. affable and amiable
  464. alu and cpu
  465. acetominophen and ibuprophen
  466. adverb and conjunction
  467. atomic-bomb and nuclear-bomb
  468. anthropology and archaeology
  469. apple-cider and apple-juice
  470. asynchronous and syncronous
  471. atypical and typical
  472. atypical and non-conformist
  473. ambiguous and vague
  474. apple and samsung
  475. avenge and revenge
  476. abate and abridge
  477. agile and nimble
  478. alzheimers and dementia
  479. adam-smith and karl-heinrich-marx
  480. awareness and consciousness
  481. atomic-mass and atomic-weight
  482. arminian and reformed
  483. almond-milk and soy-mild
  484. almond-milk and soy-milk
  485. asteroid and meteor
  486. autotrophs and heterotrophs
  487. am-radio and fm-radio
  488. agate and onyx
  489. active-ftp and passive-ftp
  490. agate and onzy
  491. agate and onxy
  492. auspicious and propitious
  493. answers and findings
  494. answer and finding
  495. attack and reproach
  496. aspect and thing
  497. anxiety and frustration
  498. accordion and concertina
  499. apparatus-gymnastics and tumbling
  500. agreeable and discordant
  501. aphorism and epigram
  502. area and arena
  503. accountance and accounting
  504. accounting and bookkeeping
  505. astimatism and cataract
  506. american-days and romanian-days
  507. autonomy and self-determination
  508. arartment and house
  509. apartment and house
  510. adhere and comply
  511. analgesic and anesthesia
  512. acquitted and innocent
  513. aliens and demons
  514. axe and hammer
  515. arsonist and pyromaniac
  516. abuse and misuse
  517. arrogant and braggart
  518. apple and presumptuous
  519. apple and complacent
  520. abate and abdicate
  521. apple-tree and banana-tree
  522. ak47 and ak74
  523. apathy and empathy
  524. arena and fieldhouse
  525. arrogant and self-center
  526. architect and architectural-engineer
  527. allow and permit
  528. aggravation and agitation
  529. arcane and esoteric
  530. act and sat
  531. activity-diagram and flow-chart
  532. apes and monkeys
  533. amelia-earhart and the-wright-brothers
  534. android and apple-company
  535. apart and away
  536. antecedent and predecessor
  537. attached and enclosed
  538. assumption and belief
  539. atom and molecule
  540. acrylic-fabric and polyester-fabric
  541. ancient-greek and greek
  542. assignment and set-over
  543. abogated and abogating
  544. azithromycin and erythromycin
  545. arrogant and pompous
  546. agriculture and husbandry
  547. applied-linguistics and syntax
  548. admissibility and relevancy
  549. absolustism and autocracy
  550. applied-science and pure-science
  551. autonomy and freedom
  552. arcylic and cellulose-acecate
  553. augumented-reality and virtual-reality
  554. augumented-reality and mixed-reality
  555. american-central-business-district and european-central-business-district
  556. apple and ravine
  557. agreeable and amenable
  558. arrogant and self-assured
  559. application-programming-interface and database
  560. alternative and option
  561. array and vector
  562. aim and objective
  563. announcement and enunciation
  564. ageing-oven and annealing-furnace
  565. answer and problem
  566. apparatus and device
  567. acetal and nylon
  568. algeria and algiers
  569. angina and atherosclerosis
  570. australian-shephard and border-collie
  571. advil and ibuprofen
  572. adam-smith and john-keynes
  573. algebra and calculus
  574. aneurysm and embolism
  575. analogy and parable
  576. accounts-receivable and billing-collections
  577. advice and advise
  578. a and one
  579. admonish and castigate
  580. apple and stupidity
  581. android and windows
  582. affirmation and oath
  583. affidavit and affirmation
  584. affirmation and declaration
  585. a-little and little
  586. apple-imac and macbook-pro
  587. ambiguous and ambivalent
  588. atheism and skepticism
  589. adam-smith and john-stuart-mill
  590. acerbic and acrimonious
  591. assessment and estimate
  592. access and hills
  593. abbreviation and acronym
  594. attitude and belief
  595. aaron-beck and bf-skinner
  596. autotrophs and hetrotrophs
  597. auk and penguin
  598. auk and cormorant
  599. acquired and enquired
  600. ashlee-simpson and jessica-simpson
  601. assume and presume
  602. academic-specialty and academic-track
  603. aristocracy and totalitarianism
  604. aw-of-diminishing-returns and ceteris-paribus
  605. asthenosphere and lithosphere
  606. aspiration and expectation
  607. assassination and murder
  608. asynchronous-transfer-mode and frame-relay
  609. accept and except
  610. allusion and illusion
  611. any-one and anyone
  612. assure and insure
  613. assure and ensure
  614. apprehensive and ominously
  615. antihistamines and decongestant
  616. abstract-class and inheritance
  617. adjacents and consectutive
  618. activated-complex and reaction-intermediate
  619. approach and strategy
  620. a and orange
  621. actual-cash-value and fair-market-value
  622. apparel and fashion
  623. ambivalence and paradox
  624. aa and na
  625. abate and remediate
  626. abatement and remeidation
  627. alive and live
  628. acrylic-nails and gel-nails
  629. acrylic and gel
  630. angiogram and arteriogram
  631. allusion and delusion
  632. altruism and generosity
  633. alittle and little
  634. apple-iphone-5c and galaxy-s5
  635. affirm and warrant
  636. apple-5c and samsung-galaxy4
  637. abraxane and taxetere
  638. awesome-guy and cool-guy
  639. asphalt and macadam
  640. abundant and redundant
  641. antecedent and anterior
  642. antecednt and anterior
  643. acrylic-fiber and polyester-fiber
  644. apple-is-solid and orange-is-juicey
  645. arc-lamp and light-bulb
  646. annuity-due and ordinary-due
  647. appliance and gadget
  648. analysis and deductuve-reasoning
  649. accounts-receivable and collections
  650. anorexia and bulimia
  651. amnion and placenta
  652. android-tablet and windows-8-tablet
  653. abraham-lincoln and barrack-obama
  654. apprentice and novice
  655. apple and name
  656. apprentice and protege
  657. appreciation and commendation
  658. advertising and promoting
  659. ayurveda and tcm
  660. alaskan-husky and siberian-husky
  661. apple and car
  662. apple and red
  663. admirable and admiring
  664. almond and peanut
  665. adolf-hitler and josef-stalin
  666. animal-cell and plant-cell
  667. anthroplogy and archeology
  668. acteminophen and ibuprofen
  669. all-wheel-drive and four-wheel-drive
  670. arlene and emma
  671. arlo and emma
  672. assiduous and industrious
  673. arcade and gallery
  674. arcade and colonnade
  675. army and marines
  676. anxious and aprehensive
  677. apprehend and comprehend
  678. adapt and adept
  679. anxious and apprehensive
  680. average and typical
  681. australia and united-stages
  682. australia and united-states
  683. analog-multimeter and digital-multimeter
  684. airconditioner and dehumidifier
  685. apples and orange
  686. astral and celestial
  687. acute-eczema and contact-dermatitis
  688. alpha-hydroxy and hyluronic-acid
  689. algae and angiosperms
  690. asteroid and comet
  691. apartment and condomedium
  692. axiology and epistemology
  693. axiology and logic
  694. acerbic and cynical
  695. antihhistimine and decongestant
  696. apple-5c and galaxy-s5
  697. apple and mel-brooks-the-producers
  698. apple and mel-brooks
  699. abuse and rebuke
  700. apples and oranges
  701. activity-diagram and sequence-diagram
  702. ambiguous and nebulous
  703. american-pale-ale and india-pale-ale
  704. accontant and cashier
  705. accountant and cashier
  706. aristocrat and noble
  707. advil and asprin
  708. attribute and chatacterics
  709. automobile and automotive
  710. alveoli and bronchioles
  711. aspirin and ibuprofin
  712. austarlia and congo
  713. australia and congo
  714. apartel-condominium and resort
  715. allogation and disclosure
  716. apple and smsung
  717. alleviate and ameliorate
  718. alteration and reconfiguration
  719. alteration and re-configuration
  720. arrange and organize
  721. antisocial and intrevert
  722. ab and ap
  723. american-psychological-association and modern-language-association
  724. arthritis and bursitus
  725. abase and debase
  726. apple-4s and samsung-galaxy-s4
  727. alliance and confederation
  728. arrogant and egocentric
  729. anterior-resection and sigmoid-colectomy
  730. autonous-clg and government-clg
  731. able and compare
  732. autonomy and independent
  733. a-h-ayer and c-l-stevenson
  734. aj-ayer and cl-stevenson
  735. autarch and dictator
  736. avodart and proscar
  737. agitated and irritable
  738. astigmatisum and stigmatisum
  739. apple and furnace
  740. amenity and facilities
  741. amenity and facility
  742. apple and microsoft
  743. arenas and theaters
  744. africa and america
  745. anarchy and oligarchic
  746. allegation and averement
  747. asteroid and meteoroid
  748. asteroid and planetoid
  749. abate and alleviate
  750. adsense and amazon-associate
  751. android and ios
  752. absolute-assignment and irrevocable-assignment
  753. africa and asia
  754. amoral and immoral
  755. abolish and demolish
  756. assumption and consideration
  757. absolutist and c
  758. aerobic-exercise and fitness-exercise
  759. america and india
  760. apple and melon
  761. american-revolution and columbus
  762. american-revolution and political-culture-during-the-time-of-columbus
  763. apple and book
  764. apple and google
  765. assuage and palliate
  766. against-immigration and for-immigration
  767. absolute-age and relative-age
  768. atom and quark
  769. aweber and mailchimp
  770. adolf-hitler and kim-jung-il
  771. allegory and metaphor
  772. alien and people
  773. almond-paste and almond-pastry-filling
  774. all and whole
  775. auspicious and suspicious
  776. activity-diagram and state-diagram
  777. amoxicillian and pennicillian
  778. amoxicillin and penicillin
  779. apheresis and transfusion
  780. anthropology and natural-sciences
  781. amorous and horny
  782. amateur and professional
  783. apropos and pertinent
  784. assassinate and murder
  785. americans and diebetes
  786. astute and incisive
  787. acute and ingenious
  788. acute and incisive
  789. ambiguity and opportunity
  790. abstruse and subtle
  791. anaphora and polysyndeton
  792. antinomy and paradox
  793. angiogram and angioplasty
  794. abeyance and abjure
  795. avodart and finasteride
  796. at and in
  797. aptitude and dexterity
  798. acrylic-paint and enamel-paint
  799. air-mass and front
  800. admiration and desire
  801. admire and desire
  802. ada and derin
  803. affidavit and contract
  804. alluvial-plains and sea-stacks
  805. approve and authorise
  806. argumentative-writing and discursive-writing
  807. affidavit and certificate-of-compliance
  808. affidavit and compliance-certification
  809. anthroposystem and ecosystem
  810. association and club
  811. atorvastoma and crestor
  812. aggravate and exacerbate
  813. affiliate and merchant
  814. alpaca and llama
  815. alpha-hydroxy-acid and glycolic-acid
  816. attributes and characteristics
  817. affection and tenderness
  818. accommodate and helpful
  819. affect and emotion
  820. allograft and alloplast
  821. aisle and lane
  822. asbestos and emphysema
  823. alligator and crocodiles
  824. apple and life
  825. apple and oranges
  826. abnormal and bizarre
  827. adaptive-immunity and inflammation
  828. amd and intel
  829. ac-motor and dc-motor
  830. autonomy and free-will
  831. alkaline-earth-metal-group and alkaline-metal-group
  832. alkaline and alkaline-earth
  833. aim-at and aim-to
  834. audition and tryout
  835. are and is
  836. among and amongst
  837. a-while and awhile
  838. assumption and preassumption
  839. avenue and street
  840. atomic-bomb and hydrogen-bomb
  841. alone and money
  842. actions and tactics
  843. adjustment and correction
  844. autogenous-welding and mig-welding
  845. ability and capability
  846. agile and waterfall
  847. agile-development and waterfall-development
  848. assumptions and presupposition
  849. angiosperm and fungi
  850. anime and cartoon
  851. authorize and deputize
  852. appendix and bibliography
  853. affect and undergo
  854. aei and ou
  855. animation and cartoon
  856. assume and suppose
  857. age and mature
  858. above and over
  859. ambition and driven
  860. ainsi and donc
  861. anchovies and sardines
  862. aquamarine and blue-topaz
  863. airbus and boeing
  864. apps and widgets
  865. apple-s6-phone and galaxay-note-s4
  866. accountability and responsibility
  867. archae and bacteria
  868. abate and abrogate
  869. anoxia and asphyxia
  870. autarchy and autonomy
  871. android and cyborg
  872. apricot-kernel-oil and apricot-seed-oil
  873. antithesis and paradox
  874. adenoma and polyp
  875. astronomy and star-gazing
  876. adore and fond
  877. asymetric and asymetrical
  878. asymmetric and asymmetrical
  879. appeal and dispute
  880. alien and demon
  881. and and or
  882. alabama-fireworks and georgia-fireworks
  883. announciated and pronounciation
  884. africa and american
  885. apostate and proselytize
  886. arena and colleseum
  887. apple and penis
  888. asthma and brinchiolitis
  889. asthma and bronchialitis
  890. asap and stat
  891. assurance and reassurance
  892. artifacts and fossils
  893. actual and factual
  894. actually and factual
  895. accurate and factual
  896. activity-diagram and work-flows-diagram
  897. attention and intention
  898. a-chemical-radical and polyatomic-ion
  899. alveolar and fricative
  900. apple and orange
  901. anole and iguana
  902. aramids and nylon
  903. allograft and homograft
  904. appointing and appointment
  905. agricultural-science and agriculture-or-farming
  906. apherisis and dialsis
  907. acquire and orange
  908. acquire and derive
  909. animal and man
  910. antithesis and dichotomy
  911. aboriginal and torres-strait-islanders
  912. a and an
  913. attractive and good-looking
  914. attractive and pretty
  915. aircraft and airplane
  916. antiquarianism and archaeology
  917. although and notwithstanding
  918. active-duty and army-reserve
  919. apple-ipad-mini and apple-ipod
  920. amerasian and vietnamese-girlfriend-1972
  921. apple-cider-vinegar and malt-vinegar
  922. affair and event
  923. argument and thesis
  924. artificial-intellegence and artificial-neural-network
  925. angry and mad
  926. ancho-chile-flour and ground-ancho-chile-pepper
  927. almond-paste and marzipan
  928. as-long-as and provided
  929. a-one-man-army and an-army-of-one
  930. astringent and toner
  931. allowance and subsidy
  932. as-soon-as and once
  933. acid and base
  934. accountancy and accounting
  935. aristocracy and theocracy
  936. artistic and creativity
  937. active-dry-yeast and quick-rise-yeast
  938. apples and bananas
  939. a-rock and the-rock
  940. advil and tylenol
  941. amnion and chorioallantois
  942. allantochorion and amnion
  943. appearance and viewed
  944. accect and effect
  945. acciaccatura and appoggiatura
  946. autocratic and democratic
  947. almond-filling and almond-paste
  948. argumentative and assertive
  949. assets-are-acquired-by-issuing-common-stock and assets-are-acquired-by-using-retained-earnings
  950. aridity and drought
  951. accountable and negligence
  952. appointed and elected
  953. anger and spite
  954. apple and pineapple
  955. acetyl-l-carnitine and l-carnitine
  956. acetyl-l-carnetine and l-carnitine
  957. acute and astute
  958. altruism and compassion
  959. alexandria and cairo
  960. apple-company and microsoft-company
  961. arthritis and pseudogout
  962. attenuate and mitigate
  963. als and multiple-sclerosis
  964. aquittal and not-guilty
  965. apple-cider-vinegar and hard-apple-cider
  966. aleve and ibupropen
  967. aboriginal and torres-strait-islander
  968. amorous and romantic
  969. australia and usa
  970. affirmation and spell
  971. analyze and describe
  972. ambivalent and dichotomy
  973. arson and malicious-fire-starting
  974. assurance and hope
  975. acquitted and not-guilty
  976. alcohol and peroxide
  977. asbestosis and silicosis
  978. assign and nominate
  979. activity and state
  980. americsnd and democrats-and-republicans
  981. americans and democrats-and-republicans
  982. americanism and political-party
  983. atain and obtain
  984. alien and external
  985. affair and matter
  986. arcane and cryptic
  987. anger and frustration
  988. an-art-gallery and museum
  989. assumption and hypothesis
  990. abnormally and unusually
  991. absurd and indicrous
  992. absurd and iudicrous
  993. accomplish and achive
  994. ascot and jabot
  995. a and u
  996. angels and ghosts
  997. angel and archangel
  998. abomination and god
  999. amethyst and drunkard
  1000. arena and coliseum
  1001. asylum and institution
  1002. angel and demons
  1003. angel and demon
  1004. acerbic and caustic
  1005. abstruse and arcane
  1006. apple and tomato
  1007. aiisha and mary
  1008. abscess and boil
  1009. atoms and elements
  1010. at-church and at-the-church
  1011. abhorrent and disgusting
  1012. actor and stakeholder
  1013. advertizment and commercials
  1014. autobiography and curriculum-vitae
  1015. as and has
  1016. acrylic and nylon
  1017. alive and dead
  1018. alufer and aluminium-alloy
  1019. ascus and basidium
  1020. aggravate and agitate
  1021. abstract and esoteric
  1022. ampoule and vial
  1023. ampule and capsule
  1024. ascertain and ensure