- abalone12
- abampere17
- abase8
- abatable15
- abate8
- abaxile18
- abbe10
- abbreviate20
- abdicable20
- abdicate15
- abduce14
- abductee16
- abele9
- aberrance16
- abeyance17
- abhorrence19
- abidance16
- abide9
- abjure19
- ablate10
- ablative16
- ablaze19
- able8
- ablegate14
- abnegate14
- abode9
- abolishable21
- abollae12
- abominable21
- abominate16
- aborigine15
- abortive15
- above12
- abradable17
- abrade10
- abrasive15
- abridge13
- abrogate13
- abscise13
- abscissae15
- absence14
- absentee12
- absinthe14
- absolute13
- absolutive19
- absolutize24
- absolve15
- absorbable20
- absorbance20
- absorptance21
- absorptive20
- absquatulate27
- absterge13
- abstinence18
- abstractable22
- abstractive21
- abstruse12
- abubble18
- abundance19
- abusable16
- abuse9
- abusive15
- abye9
- academe14
- acalephae18
- acalephe17
- acaricide16
- acarine11
- acaudate13
- acauline14
- acaulose13
- accede13
- accelerate17
- accelerative23
- accentuate18
- acceptable23
- acceptance23
- acceptee17
- acceptive22
- accessible20
- accessorise17
- accessorize26
- acciaccature25
- accidence20
- accidie14
- accipitrine21
- acclimate19
- acclimatise21
- acclimatize30
- accolade16
- accommodate24
- accommodative30
- accomplice26
- accomplishable33
- accordance21
- accountable23
- accoutre15
- accreditable23
- accrete13
- accretive19
- accruable20
- accrue13
- acculturate20
- acculturative26
- accumulate22
- accumulative28
- accurate15
- accusative21
- accuse13
- ace6
- acerate10
- acerbate14
- acerose10
- acervate15
- acetaldehyde22
- acetamide16
- acetanilide17
- acetate10
- acetazolamide30
- acetone11
- acetonitrile17
- acetose10
- acetylate15
- acetylative21
- acetylcholine26
- acetylcholinesterase33
- acetylene16
- acetylsalicylate29
- ache9
- achene12
- achievable23
- achieve16
- achiote12
- achondrite17
- achromatize28
- aciculae16
- acidophile20
- acidulate15
- acierate11
- acinose11
- ackee12
- acknowledge26
- acme10
- acne8
- acnode11
- acoelomate17
- acolyte13
- aconite11
- acquaintance30
- acquiesce25
- acquiescence32
- acquirable27
- acquire20
- acquisitive28
- acquittance28
- acre7
- acreage12
- acridine13
- acriflavine23
- acrophobe20
- acrosome14
- acrylamide20
- acrylate14
- acrylonitrile21
- actable14
- actiniae12
- actinide13
- actinolite15
- actinomycete24
- actionable18
- activate15
- active13
- activize24
- actualize23
- actuate11
- acuate10
- aculeate13
- acuminate17
- acupressure19
- acupuncture24
- acutance16
- acute9
- acylate13
- adage8
- adamance16
- adamantine16
- adamsite12
- adaptable17
- adaptive16
- addable13
- addible13
- addictive18
- additive14
- addle8
- addressable17
- addressee11
- adduce12
- adductive19
- adenine10
- adenosine12