- abies amabilis
- abies balsamea
- abies bracteata
- abies concolor
- abies fraseri
- abies grandis
- abies lasiocarpa
- abies lowiana
- abies venusta
- abila
- abilene
- ability
- abiogenesis
- abiogenetic
- abiogenist
- abiotrophy
- abject
- abjection
- abjectly
- abjuration
- abjure
- abjurer
- abkhas
- abkhasian
- abkhaz
- abkhazia
- abkhazian
- ablactate
- ablactation
- ablate
- ablated
- ablation
- ablative
- ablative absolute
- ablative case
- ablaut
- ablaze
- able
- able seaman
- able-bodied
- able-bodied seaman
- able-bodiedism
- able-bodism
- ableism
- ablepharia
- ablism
- abloom
- abls
- ablution
- ablutionary
- ably
- abm
- abnaki
- abnegate
- abnegation
- abnegator
- abney level
- abnormal
- abnormal psychology
- abnormalcy
- abnormality
- abnormally
- abo
- abo antibodies
- abo blood group system
- abo group
- abo system
- aboard
- abocclusion
- abode
- abohm
- abolish
- abolishable
- abolishment
- abolition
- abolitionary
- abolitionism
- abolitionist
- abomasal
- abomasum
- a-bomb
- abominable
- abominable snowman
- abominably
- abominate
- abomination
- abominator
- abor
- aborad
- aboral
- aboriginal
- aboriginal australian
- aborigine
- abort
- aborticide
- abortifacient
- abortion
- abortion pill
- abortion-inducing drug
- abortionist
- abortive
- abortively
- abortus
- aboulia
- aboulic
- abound
- abound in
- abounding
- about
- about turn
- about-face
- above
- above all
- aboveboard
- aboveground
- above-mentioned
- above-named
- abracadabra
- abrachia
- abradant
- abrade
- abrader
- abrading stone
- abraham
- abraham lincoln
- abraham stoker
- abraham's bosom
- abramis
- abramis brama
- abranchial
- abranchiate
- abranchious
- abrase
- abrasion
- abrasive
- abrasive material
- abrasiveness
- abreact
- abreaction
- abreast
- abridge
- abridged
- abridgement
- abridger
- abridgment
- abroach
- abroad
- abrocoma
- abrocome
- abrogate
- abrogation
- abrogator
- abronia
- abronia elliptica
- abronia fragrans
- abronia latifolia
- abronia maritima
- abronia umbellata
- abronia villosa
- abrupt
- abruptio placentae
- abruption
- abruptly
- abruptly-pinnate
- abruptly-pinnate leaf
- abruptness
- abruzzi
- abruzzi e molise
- abs
- abscess
- abscessed
- abscessed tooth
- abscise
- abscissa
- abscission
- abscond
- absconder
- abscondment
- abseil
- abseiler
- absence
- absence seizure
- absence without leave
- absent
- absentee
- absentee ballot
- absentee rate
- absenteeism
- absently
- absentminded
- absentmindedly
- absentmindedness
- absinth
- absinthe
- absinthe oil
- absolute
- absolute alcohol
- absolute ceiling
- absolute frequency
- absolute magnitude