- abdom.
- abdomen
- abdominal
- abdominal cavity
- abdominal crunch
- abdominal thrust
- abdominoplasty
- abdominous
- Abdon
- abduce
- abducens
- abducens nerve
- abducent
- abducent nerve
- abduct
- abductee
- abduction
- abductor
- Abdul-Aziz
- Abdul-Hamid II
- Abdul-Jabbar
- Abdullah
- Abdullah ibn-Husein
- Abdullah II
- Abdul-Mejid I
- Abdul Rahman
- Abe
- abeam
- abecedarian
- abecedarium
- abecedary
- abed
- Abednego
- abegging
- Abel
- Abelard
- Abélard
- abele
- abelia
- Abelian
- abelian group
- Abelian group
- Abe Lincoln in Illinois
- Abel-meholah
- abelmosk
- Abelson
- Abenaki
- abend
- Abeokuta
- Abercrombie
- Aberdare
- Aberdeen
- Aberdeen Angus
- Aberdeen Proving Ground
- Aberdeenshire
- Aberdeen terrier
- aberdevine
- Aberdonian
- Aberfan
- Abernathy
- abernethy
- aberrant
- aberrate
- aberration
- Aberystwyth
- ab esse
- abessive
- abet
- abetalipoproteinemia
- abettor
- ab extra
- abeyance
- abeyant
- abfarad
- ABH
- abhenry
- Abhidhamma Pitaka
- abhominable
- abhor
- abhorred
- abhorrence
- abhorrent
- Abia
- Abiathar
- Abib
- abidance
- abide
- abide by
- abiding
- Abidjan
- Abie
- abient
- à bientôt
- abietate
- abietic acid
- abigail
- Abigail
- Abihu
- Abilene
- ability
- Abimelech
- Abingdon
- Abington
- ab initio
- Abinoam
- ab intra
- abiogenesis
- abiogenic
- abiological
- abiosis
- abiotic
- abiotic factor
- abiotrophy
- A bird in the hand is worth two in the bush
- abirritant
- abirritate
- Abishag
- a bit
- Abitibi
- abjad
- abject
- abjection
- abjective
- abjunction
- abjuration
- abjure
- Abkhaz
- Abkhazia
- Abkhazian
- abl.
- ablactate
- ablactation
- à blanc
- ablare
- ablate
- ablation
- ablative
- ablative absolute
- ablator
- ablaut
- ablaze
- able
- able-bodied
- able-bodied seaman
- abled
- ableism
- ableist
- ableist language
- able rating
- able seaman
- abloom
- abluent
- ablush
- abluted
- ablution
- ably
- ABM
- abmho
- abmodality
- ABM Treaty
- Abnaki
- abnegate
- abnegation
- Abner
- Abney level
- abnormal
- abnormalcy
- abnormality
- abnormalize
- abnormal psychology
- abnormity
- Abo
- ABO
- Åbo
- aboard
- aboardage
- abode
- abohm
- aboideau
- aboil
- abolish
- abolition
- abolitionism
- abolitionist
- abolitionize
- abolla
- abomasum
- A-bomb
- Abomey
- abominable
- abominable snowman
- Abominable Snowman
- abominate
- abomination
- abondance
- à bon marché
- aboon
- aboral
- aboriginal
- Aboriginal
- Aboriginalia
- aborigine
- Aborigine
- ab origine
- aborigines
- Aborigines
- aborning
- abort
- aborticide
- abortifacient
- abortion
- abortionist
- abortion-on-demand
- abortion pill
- abortive
- abortus
- ABO system
- aboudikro
- abought
- Aboukir Bay
- aboulia
- abound
- about
- about face
- about-face
- about ship
- about-ship
- about time
- about to
- about turn
- above
- above all
- above and beyond
- aboveboard
- above board
- aboveground
- abovementioned
- above suspicion
- above the law
- above the line
- above-the-line
- ab ovo
- Abp
- abp.
- abr.
- abracadabra
- abradant
- abrade
- Abraham
- Abraham's bosom
- Abraham and Isaac
- Abrahamic
- Abram
- abranchiate
- abraser
- abrash
- abrasion
- abrasive
- abraxas
- abrazo
- abreact
- abreaction
- abreast
- abri
- abridge
- abridged
- abridgment
- abrin
- abristle
- abroach
- abroad
- abrogate
- abrogation
- abrosexual
- abrosia
- abrupt
- abruption
- abruptly
- Abruzzi
- Abruzzi e Molise
- ABRV
- abs
- ABS
- abs-
- abs.
- Absalom
- Absaroka Range
- ABS brake
- Abscam
- abscess
- abscind
- abscise
- abscisic acid
- abscissa
- abscission
- abscission layer
- abscission zone
- abscond
- abscondee
- abscondence
