affect vs. regard
affright vs. terror
affright vs. scare
affright vs. fright
affright vs. frighten
abashment vs. bashfulness
ardor vs. fire
ardor vs. ardour
ardor vs. elan
ardour vs. fire
ardour vs. elan
amazement vs. astonishment
algolagnia vs. algophilia
awe vs. veneration
anxiety vs. anxiousness
anxiousness vs. disquiet
agony vs. torment
agony vs. excruciation
ambivalence vs. ambivalency
anguish vs. torment
anguish vs. hurt
appetency vs. appetite
appetence vs. appetite
ataraxis vs. repose
amorousness vs. eroticism
amorousness vs. erotism
amorousness vs. sexiness
amativeness vs. amorousness
amorousness vs. enamoredness
appreciativeness vs. gratefulness
animosity vs. animus
avidity vs. eagerness
avidness vs. eagerness
aliment vs. nourishment
aliment vs. nourish
aliment vs. nutrify
affection vs. heart
afters vs. sweet
ambrosia vs. nectar
ambrosia vs. ragweed
ambrosia vs. bitterweed
ambrosia vs. beebread
appetiser vs. appetizer
appetizer vs. starter
aubergine vs. eggplant
ananas vs. pineapple
annon vs. sweetsop
ackee vs. akee
ail vs. garlic
ail vs. trouble
alfalfa vs. lucerne
angelica vs. angelique
anise vs. aniseed
acetum vs. vinegar
albumen vs. white
albumen vs. albumin
alcohol vs. intoxicant
akvavit vs. aquavit
arak vs. arrack
absinth vs. absinthe
aestivation vs. estivation
authorities vs. government
armorer vs. armourer
armorer vs. artificer
academe vs. academia
alinement vs. coalition
ally vs. friend
autarchy vs. autarky
aristocracy vs. gentry
aristocracy vs. nobility
ambiance vs. ambience
apex vs. peak
apogee vs. culmination
apolune vs. aposelene
anomalousness vs. anomaly
acme vs. peak
acme vs. elevation
abysm vs. abyss
anthill vs. formicary
alluvion vs. flood
alcoholism vs. dipsomania
alcoholism vs. drunkenness
ammonite vs. ammonoid
acclivity vs. raise
antielectron vs. positron
avatar vs. embodiment
angel vs. backer
angel vs. saint
aeon vs. eon
adventurer vs. venturer
adventurer vs. explorer
attender vs. auditor
attender vs. hearer
attender vs. listener
abbess vs. prioress
actor vs. thespian
actor vs. worker
abbot vs. archimandrite
abominator vs. loather
aggressor vs. attacker
aggressor vs. assailant
aggressor vs. assaulter
abbreviator vs. abridger
agitator vs. fomenter
abstracter vs. abstractor
addict vs. nut
addict vs. hook
abetter vs. abettor
agriculturist vs. cultivator
agriculturalist vs. cultivator
abolitionist vs. emancipationist
aircraftman vs. aircraftsman
adjuster vs. adjustor
abseiler vs. rappeller
administrator vs. executive
abuser vs. maltreater
admirer vs. adorer
admirer vs. champion
alky vs. souse
admonisher vs. monitor
academician vs. schoolman
adulterer vs. fornicator
alienee vs. grantee
adulteress vs. jade
accompanist vs. accompanyist
accomplice vs. confederate
accountant vs. controller
allocator vs. distributor
adversary vs. opponent
alphabetiser vs. alphabetizer
adviser vs. advisor
adviser vs. consultant
advocate vs. exponent
advocate vs. counsel
advocate vs. preach
advocate vs. urge
advocator vs. exponent
achiever vs. success
apprehender vs. knower
aquanaut vs. oceanaut
assassin vs. bravo
assassinator vs. bravo
apprentice vs. learner
apprentice vs. prentice
asserter vs. declarer
affirmer vs. asserter
asserter vs. asseverator
asserter vs. avower
appraiser vs. valuator
appraiser vs. authenticator
analyst vs. psychoanalyst
arbiter vs. arbitrator
arbiter vs. umpire
arbitrager vs. arbitrageur
arb vs. arbitrageur
anarchist vs. nihilist
anarchist vs. syndicalist
astrologer vs. astrologist
archaeologist vs. archeologist
astronaut vs. spaceman
astronaut vs. cosmonaut
ancestress vs. foremother
anchorman vs. anchorperson
archer vs. bowman
anecdotist vs. raconteur
astronomer vs. stargazer
architect vs. designer
anesthesiologist vs. anesthetist
anaesthetist vs. anesthesiologist
archpriest vs. primate
atavist vs. throwback
athlete vs. jock
anglophil vs. anglophile
attestant vs. attester
animator vs. energizer
attestant vs. witness
aristocrat vs. patrician
augur vs. auspex
augur vs. forecast
aunt vs. auntie
aunt vs. aunty
artificer vs. craftsman
artificer vs. artisan
artificer vs. journeyman
artificer vs. discoverer
artificer vs. inventor
arranger vs. organizer
authoriser vs. authorizer
apologist vs. justifier
arsonist vs. firebug
avenger vs. retaliator
aviator vs. flier
aeronaut vs. flier
alumna vs. alumnus
alumnus vs. grad
alumnus vs. graduate
artilleryman vs. cannoneer
artilleryman vs. gunner