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. actor and actress
  157. algae and angiosperm
  158. affection and love
  159. asbestosis and mesothelioma
  160. autism and cerebral-palsy
  161. assurance and insurance
  162. action and reaction
  163. ambition and aspiration
  164. aspiration and desire
  165. arthritis and gout
  166. although and despite
  167. aim and requirement
  168. aa and na
  169. achiever and dreamer
  170. apple and quince
  171. accident and incident
  172. abase and abash
  173. asynchronous and synchronous
  174. aspiration and inspiration
  175. apr and note rate
  176. art and design
  177. asthma and chronic-bronchitis
  178. allegory and analogy
  179. arena and stadium
  180. assuage and attenuate
  181. angiosperm and moss
  182. annuity and perpetuity
  183. ascii and unicode
  184. arabic and farsi
  185. assumption and presuppositions
  186. anti-rationalism and rationalism
  187. atelectasis and emphysema
  188. asbestosis and pleural-plaques
  189. asbestos and fiberglass
  190. asbestosis and emphysema
  191. asbestosis and pulmonary-fibrosis
  192. apparel and clothing
  193. admire and envy
  194. anemia and hemophilia
  195. arthritis and bursitis
  196. arthritis and rheumatoid-arthritis
  197. adhd and autism
  198. acid-reflux and heartburn
  199. arena and colliseum
  200. arena and field-house
  201. advance and advancement
  202. accrued-revenue and deferred-revenue
  203. asthma and copd
  204. altruistic and amiable
  205. arrogant and haughty
  206. adenoma and carcinoma
  207. acid-reflux and ulcer
  208. ambiguity and vagueness
  209. assurance and audit
  210. audit and review
  211. arrogant and contemptuous
  212. assessment and evaluation
  213. assessment and screening
  214. assault and battery
  215. abatement and remediation
  216. abatement and exemption
  217. abrogate and overrule
  218. accomplice and conspirator
  219. accounts-payable and accounts-receivable
  220. accretion and amortization
  221. anionic-polymarization and cationic-polymarizion
  222. awesome and awestruck
  223. arrow-root and casava
  224. absurdism and existentialism
  225. autobiography and memoir
  226. agave and honey
  227. agriculture and farming
  228. acrylic and polyester
  229. adoration and appreciation
  230. apple-ipad-3 and apple-ipad2
  231. ability and qualified
  232. authorize and entrust
  233. antique and curio
  234. austerity and thrifty
  235. aeroplane and aircraft
  236. alternating-current and direct-current
  237. assumption and proposition
  238. adjective and adverb
  239. arenas and stadium
  240. acrylic and polystyrene
  241. accusation and allegation
  242. autotrophic-eukaryotes and hetrotrophic-eukaryotes
  243. assumption-of-risk and volenti-non-fit-injuria
  244. aquired-immunity and natural-immunity
  245. absolute-assignment and collateral-assignment
  246. appraised-value and assessed-value
  247. abdominoplasty and abdominoscopy
  248. abdominoplasty and tummy-tuck
  249. abdominoplasty and lipoplasty
  250. acetaminophen and ibuprofin
  251. allergic-conjunctivitis and pink-eye
  252. alopecia and male-pattern-baldness
  253. analgesia and analgesic
  254. antibiotic and probiotic
  255. assumption and principle
  256. antisocial-personality-disorder and multiple-personality-disorder
  257. antisocial and introvert
  258. apheresis and blood-transfusion
  259. astigmatism and cataracts
  260. asymmetry and symmetry
  261. anxiety and bipolar
  262. alpha-hydroxy-acid and retinol
  263. acid-rinse and skin-peel
  264. algae and seaweed
  265. ayurveda and traditional-chinese-medicine
  266. assurance and reinsurance
  267. animal-antibiotics and human-antibiotics
  268. attitude and personality
  269. attitude and disposition
  270. abdominoplasty and panniculectomy
  271. anterior-resection and ap-resection
  272. anterior-resection and hartmann-procedure
  273. aquit and exonerate
  274. ailment and malady
  275. adenocarcinoma and mesothelioma
  276. accutane and acne-laser-treatment
  277. accutane and retin-a
  278. accutane and spironolactone
  279. annuity-settlement and lump-sum
  280. anglicana and orthodox
  281. anger and passion
  282. allergy and illness
  283. allograft and autograft
  284. adaptive and responsive
  285. arborizing-veins and spider-veins
  286. adware and malware
  287. apple-brandy and pomance-brandy
  288. anonymous-function and closure
  289. arthritis and osteoarthritis
  290. avant-garde and futurism
  291. avante-garde and odalisque
  292. arena and music-hall
  293. ameliorate and pacify
  294. arid and sere
  295. adam-smith and john-maynard-keynes
  296. adviser and benefactor
  297. advise and exhort
  298. avante-garde and forefront
  299. avante-garde and metropolis
  300. adapt and adopt
  301. avante-garde and courtesan
  302. await and wait
  303. argue and wrangle
  304. abide and resided
  305. annuity and structured-settlement
  306. ascertain and assert
  307. annuity and installment-note
  308. annuity-due and immediate-annuity
  309. absolutism and dogmatic
  310. a-cash-balance-benefit-program and a-defined-benefit-program
  311. authoritarianism and dogmatic
  312. activty-diagram and sequence-diagram
  313. analysis and synthesis
  314. abstraction and encapsulation
  315. allele and gene
  316. ass and donkey
  317. aim and purpose
  318. axiom and hypothesis
  319. absolutism and totalitarian
  320. advocate and recommend
  321. affluent and wealthy
  322. aware and mindful
  323. apple and banana
  324. aramids and polyamide
  325. aristocracy and oligarchy
  326. annuity and lump-sum-payment
  327. aristocracy and monarchy
  328. amenities and facilities
  329. axiology and metaphysics
  330. army and military
  331. attribute and characteristic
  332. abhor and hate
  333. aspect and characteristic
  334. access-2013 and dbase-8-plus
  335. alpha-hydroxy and retinol
  336. agreement and protocol
  337. amazing and phenomenal
  338. agreement and legal-protocol
  339. adopt and pass
  340. assyria and persia
  341. approach and method
  342. agile and rup
  343. abnormal and irregular
  344. analingus and cunnalingus
  345. animals and people
  346. aid and amenity
  347. amenity and appliance
  348. allele and trait
  349. alexander and marcus
  350. anode and cathode
  351. abate and attenuate
  352. alleviate and attenuate
  353. aspnet and php
  354. arts and athletics
  355. ambition and apirant
  356. alicit and derive
  357. auber and wasp
  358. ambivalence and contradiction
  359. aware and conscious
  360. apricot-kernel-oil and apricot-oil
  361. ambigious and cryptic
  362. ambiguous and cryptic
  363. aquitted and not-guilty
  364. acquit and not-guilty
  365. assume and surmise
  366. altruitic and magnanimous
  367. altruistic and magnanimous
  368. advil and motrin
  369. animal and human
  370. alice and andrew
  371. american-pear and korean-pear
  372. air-mattress and coil-mattress
  373. acrylic and mylar
  374. administration and management
  375. axiom and construct
  376. adsl and dsl
  377. arse and elbow
  378. advil and alive
  379. apple and taco
  380. annoyed and irritated
  381. accrual and entitlement
  382. antibodies and immunoglobulin
  383. actor and thespian
  384. aquaeous-humor and vitreous-humor
  385. aqueous-humor and vitreous-humor
  386. an-art-gallery and museum
  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. arena and coliseum
  500. apparatus-gymnastics and tumbling
  501. agreeable and discordant
  502. aphorism and epigram
  503. area and arena
  504. accountance and accounting
  505. accounting and bookkeeping
  506. astimatism and cataract
  507. american-days and romanian-days
  508. autonomy and self-determination
  509. arartment and house
  510. apartment and house
  511. adhere and comply
  512. analgesic and anesthesia
  513. acquitted and innocent
  514. aliens and demons
  515. axe and hammer
  516. arsonist and pyromaniac
  517. abuse and misuse
  518. arrogant and braggart
  519. apple and presumptuous
  520. apple and complacent
  521. abate and abdicate
  522. apple-tree and banana-tree
  523. ak47 and ak74
  524. apathy and empathy
  525. arena and fieldhouse
  526. arrogant and self-center
  527. architect and architectural-engineer
  528. allow and permit
  529. aggravation and agitation
  530. arcane and esoteric
  531. act and sat
  532. activity-diagram and flow-chart
  533. apes and monkeys
  534. amelia-earhart and the-wright-brothers
  535. android and apple-company
  536. apart and away
  537. antecedent and predecessor
  538. attached and enclosed
  539. assumption and belief
  540. atom and molecule
  541. acrylic-fabric and polyester-fabric
  542. ancient-greek and greek
  543. assignment and set-over
  544. abogated and abogating
  545. azithromycin and erythromycin
  546. arrogant and pompous
  547. agriculture and husbandry
  548. applied-linguistics and syntax
  549. admissibility and relevancy
  550. absolustism and autocracy
  551. applied-science and pure-science
  552. autonomy and freedom
  553. arcylic and cellulose-acecate
  554. augumented-reality and virtual-reality
  555. augumented-reality and mixed-reality
  556. american-central-business-district and european-central-business-district
  557. apple and ravine
  558. agreeable and amenable
  559. arrogant and self-assured
  560. application-programming-interface and database
  561. alternative and option
  562. array and vector
  563. aim and objective
  564. announcement and enunciation
  565. ageing-oven and annealing-furnace
  566. answer and problem
  567. apparatus and device
  568. acetal and nylon
  569. algeria and algiers
  570. angina and atherosclerosis
  571. australian-shephard and border-collie
  572. advil and ibuprofen
  573. adam-smith and john-keynes
  574. algebra and calculus
  575. aneurysm and embolism
  576. analogy and parable
  577. accounts-receivable and billing-collections
  578. advice and advise
  579. a and one
  580. admonish and castigate
  581. apple and stupidity
  582. android and windows
  583. affirmation and oath
  584. affidavit and affirmation
  585. affirmation and declaration
  586. a-little and little
  587. apple-imac and macbook-pro
  588. ambiguous and ambivalent
  589. atheism and skepticism
  590. adam-smith and john-stuart-mill
  591. acerbic and acrimonious
  592. assessment and estimate
  593. access and hills
  594. abbreviation and acronym
  595. attitude and belief
  596. aaron-beck and bf-skinner
  597. autotrophs and hetrotrophs
  598. auk and penguin
  599. auk and cormorant
  600. acquired and enquired
  601. ashlee-simpson and jessica-simpson
  602. assume and presume
  603. academic-specialty and academic-track
  604. aristocracy and totalitarianism
  605. aw-of-diminishing-returns and ceteris-paribus
  606. asthenosphere and lithosphere
  607. aspiration and expectation
  608. assassination and murder
  609. asynchronous-transfer-mode and frame-relay
  610. accept and except
  611. allusion and illusion
  612. any-one and anyone
  613. assure and insure
  614. assure and ensure
  615. apprehensive and ominously
  616. antihistamines and decongestant
  617. abstract-class and inheritance
  618. adjacents and consectutive
  619. activated-complex and reaction-intermediate
  620. approach and strategy
  621. a and orange
  622. actual-cash-value and fair-market-value
  623. apparel and fashion
  624. ambivalence and paradox
  625. aa and na
  626. abate and remediate
  627. abatement and remeidation
  628. alive and live
  629. acquitted and not-guilty
  630. acrylic-nails and gel-nails
  631. acrylic and gel
  632. angiogram and arteriogram
  633. allusion and delusion
  634. altruism and generosity
  635. alittle and little
  636. apple-iphone-5c and galaxy-s5
  637. affirm and warrant
  638. apple-5c and samsung-galaxy4
  639. abraxane and taxetere
  640. awesome-guy and cool-guy
  641. asphalt and macadam
  642. abundant and redundant
  643. antecedent and anterior
  644. antecednt and anterior
  645. acrylic-fiber and polyester-fiber
  646. apple-is-solid and orange-is-juicey
  647. arc-lamp and light-bulb
  648. annuity-due and ordinary-due
  649. appliance and gadget
  650. analysis and deductuve-reasoning
  651. accounts-receivable and collections
  652. anorexia and bulimia
  653. amnion and placenta
  654. android-tablet and windows-8-tablet
  655. abraham-lincoln and barrack-obama
  656. apprentice and novice
  657. apple and name
  658. apprentice and protege
  659. appreciation and commendation
  660. advertising and promoting
  661. ayurveda and tcm
  662. alaskan-husky and siberian-husky
  663. apple and car
  664. apple and red
  665. admirable and admiring
  666. almond and peanut
  667. adolf-hitler and josef-stalin
  668. animal-cell and plant-cell
  669. anthroplogy and archeology
  670. acteminophen and ibuprofen
  671. all-wheel-drive and four-wheel-drive
  672. arlene and emma
  673. arlo and emma
  674. assiduous and industrious
  675. arcade and gallery
  676. arcade and colonnade
  677. army and marines
  678. anxious and aprehensive
  679. apprehend and comprehend
  680. adapt and adept
  681. anxious and apprehensive
  682. average and typical
  683. australia and united-stages
  684. australia and united-states
  685. analog-multimeter and digital-multimeter
  686. airconditioner and dehumidifier
  687. apples and orange
  688. astral and celestial
  689. acute-eczema and contact-dermatitis
  690. alpha-hydroxy and hyluronic-acid
  691. algae and angiosperms
  692. asteroid and comet
  693. apartment and condomedium
  694. axiology and epistemology
  695. axiology and logic
  696. acerbic and cynical
  697. antihhistimine and decongestant
  698. apple-5c and galaxy-s5
  699. apple and mel-brooks-the-producers
  700. apple and mel-brooks
  701. abuse and rebuke
  702. apples and oranges
  703. activity-diagram and sequence-diagram
  704. ambiguous and nebulous
  705. american-pale-ale and india-pale-ale
  706. accontant and cashier
  707. accountant and cashier
  708. aristocrat and noble
  709. advil and asprin
  710. attribute and chatacterics
  711. automobile and automotive
  712. alveoli and bronchioles
  713. aspirin and ibuprofin
  714. austarlia and congo
  715. australia and congo
  716. apartel-condominium and resort
  717. allogation and disclosure
  718. apple and smsung
  719. alleviate and ameliorate
  720. alteration and reconfiguration
  721. alteration and re-configuration
  722. arrange and organize
  723. antisocial and intrevert
  724. ab and ap
  725. american-psychological-association and modern-language-association
  726. arthritis and bursitus
  727. abase and debase
  728. apple-4s and samsung-galaxy-s4
  729. alliance and confederation
  730. arrogant and egocentric
  731. anterior-resection and sigmoid-colectomy
  732. autonous-clg and government-clg
  733. able and compare
  734. autonomy and independent
  735. a-h-ayer and c-l-stevenson
  736. aj-ayer and cl-stevenson
  737. autarch and dictator
  738. avodart and proscar
  739. agitated and irritable
  740. astigmatisum and stigmatisum
  741. apple and furnace
  742. amenity and facilities
  743. amenity and facility
  744. apple and microsoft
  745. arenas and theaters
  746. africa and america
  747. anarchy and oligarchic
  748. allegation and averement
  749. acrylic and nylon
  750. asteroid and meteoroid
  751. asteroid and planetoid
  752. abate and alleviate
  753. adsense and amazon-associate
  754. android and ios
  755. absolute-assignment and irrevocable-assignment
  756. africa and asia
  757. amoral and immoral
  758. abolish and demolish
  759. assumption and consideration
  760. absolutist and c
  761. aerobic-exercise and fitness-exercise
  762. america and india
  763. apple and melon
  764. american-revolution and columbus
  765. american-revolution and political-culture-during-the-time-of-columbus
  766. apple and book
  767. apple and google
  768. assuage and palliate
  769. against-immigration and for-immigration
  770. absolute-age and relative-age
  771. atom and quark
  772. aweber and mailchimp
  773. adolf-hitler and kim-jung-il
  774. allegory and metaphor
  775. alien and people
  776. almond-paste and almond-pastry-filling
  777. all and whole
  778. auspicious and suspicious
  779. activity-diagram and state-diagram
  780. amoxicillian and pennicillian
  781. amoxicillin and penicillin
  782. apheresis and transfusion
  783. anthropology and natural-sciences
  784. amorous and horny
  785. amateur and professional
  786. apropos and pertinent
  787. assassinate and murder
  788. americans and diebetes
  789. astute and incisive
  790. acute and ingenious
  791. acute and incisive
  792. ambiguity and opportunity
  793. abstruse and subtle
  794. anaphora and polysyndeton
  795. antinomy and paradox
  796. angiogram and angioplasty
  797. abeyance and abjure
  798. avodart and finasteride
  799. at and in
  800. aptitude and dexterity
  801. acrylic-paint and enamel-paint
  802. air-mass and front
  803. admiration and desire
  804. admire and desire
  805. ada and derin
  806. affidavit and contract
  807. alluvial-plains and sea-stacks
  808. approve and authorise
  809. argumentative-writing and discursive-writing
  810. affidavit and certificate-of-compliance
  811. affidavit and compliance-certification
  812. anthroposystem and ecosystem
  813. association and club
  814. atorvastoma and crestor
  815. aggravate and exacerbate
  816. affiliate and merchant
  817. alpaca and llama
  818. alpha-hydroxy-acid and glycolic-acid
  819. attributes and characteristics
  820. affection and tenderness
  821. accommodate and helpful
  822. affect and emotion
  823. allograft and alloplast
  824. aisle and lane
  825. asbestos and emphysema
  826. alligator and crocodiles
  827. apple and life
  828. apple and oranges
  829. abnormal and bizarre
  830. adaptive-immunity and inflammation
  831. amd and intel
  832. ac-motor and dc-motor
  833. asbestosis and silicosis
  834. autonomy and free-will
  835. ascus and basidium
  836. alkaline-earth-metal-group and alkaline-metal-group
  837. alkaline and alkaline-earth
  838. aim-at and aim-to
  839. audition and tryout
  840. are and is
  841. among and amongst
  842. a-while and awhile
  843. assumption and preassumption
  844. avenue and street
  845. atomic-bomb and hydrogen-bomb
  846. alone and money
  847. actions and tactics
  848. adjustment and correction
  849. autogenous-welding and mig-welding
  850. ability and capability
  851. agile and waterfall
  852. agile-development and waterfall-development
  853. assumptions and presupposition
  854. angiosperm and fungi
  855. anime and cartoon
  856. authorize and deputize
  857. appendix and bibliography
  858. affect and undergo
  859. aei and ou
  860. animation and cartoon
  861. assume and suppose
  862. age and mature
  863. above and over
  864. ambition and driven
  865. ainsi and donc
  866. anchovies and sardines
  867. aquamarine and blue-topaz
  868. airbus and boeing
  869. apps and widgets
  870. apple-s6-phone and galaxay-note-s4
  871. accountability and responsibility
  872. archae and bacteria
  873. abate and abrogate
  874. anoxia and asphyxia
  875. autarchy and autonomy
  876. android and cyborg
  877. apricot-kernel-oil and apricot-seed-oil
  878. antithesis and paradox
  879. adenoma and polyp
  880. astronomy and star-gazing
  881. adore and fond
  882. asymetric and asymetrical
  883. asymmetric and asymmetrical
  884. appeal and dispute
  885. alien and demon
  886. and and or
  887. alabama-fireworks and georgia-fireworks
  888. announciated and pronounciation
  889. africa and american
  890. apostate and proselytize
  891. arena and colleseum
  892. apple and penis
  893. asthma and brinchiolitis
  894. asthma and bronchialitis
  895. asap and stat
  896. assurance and reassurance
  897. artifacts and fossils
  898. actual and factual
  899. actually and factual
  900. accurate and factual
  901. activity-diagram and work-flows-diagram
  902. attention and intention
  903. a-chemical-radical and polyatomic-ion
  904. alveolar and fricative
  905. apple and orange
  906. anole and iguana
  907. aramids and nylon
  908. allograft and homograft
  909. appointing and appointment
  910. agricultural-science and agriculture-or-farming
  911. apherisis and dialsis
  912. acquire and orange
  913. acquire and derive
  914. animal and man
  915. antithesis and dichotomy
  916. aboriginal and torres-strait-islanders
  917. a and an
  918. attractive and good-looking
  919. attractive and pretty
  920. aircraft and airplane
  921. antiquarianism and archaeology
  922. although and notwithstanding
  923. active-duty and army-reserve
  924. apple-ipad-mini and apple-ipod
  925. amerasian and vietnamese-girlfriend-1972
  926. apple-cider-vinegar and malt-vinegar
  927. affair and event
  928. argument and thesis
  929. artificial-intellegence and artificial-neural-network
  930. angry and mad
  931. ancho-chile-flour and ground-ancho-chile-pepper
  932. almond-paste and marzipan
  933. as-long-as and provided
  934. a-one-man-army and an-army-of-one
  935. astringent and toner
  936. allowance and subsidy
  937. as-soon-as and once
  938. acid and base
  939. accountancy and accounting
  940. aristocracy and theocracy
  941. artistic and creativity
  942. active-dry-yeast and quick-rise-yeast
  943. apples and bananas
  944. a-rock and the-rock
  945. advil and tylenol
  946. amnion and chorioallantois
  947. allantochorion and amnion
  948. appearance and viewed
  949. accect and effect
  950. acciaccatura and appoggiatura
  951. autocratic and democratic
  952. almond-filling and almond-paste
  953. argumentative and assertive
  954. assets-are-acquired-by-issuing-common-stock and assets-are-acquired-by-using-retained-earnings
  955. aridity and drought
  956. accountable and negligence
  957. appointed and elected
  958. anger and spite
  959. apple and pineapple
  960. acetyl-l-carnitine and l-carnitine
  961. acetyl-l-carnetine and l-carnitine
  962. acute and astute
  963. altruism and compassion
  964. alexandria and cairo
  965. apple-company and microsoft-company
  966. arthritis and pseudogout
  967. attenuate and mitigate
  968. als and multiple-sclerosis
  969. aquittal and not-guilty
  970. apple-cider-vinegar and hard-apple-cider