- a
- a bit
- a cappella
- a capriccio
- a drag
- a due
- a far cry
- a few
- a fortiori
- a goner
- a good deal
- a la plancha
- a little
- a little bird
- a little knowledge
- a lot
- a man's reach should exceed his grasp
- a mensa et thoro
- a must
- a number of
- a posteriori
- a priori
- a punta d'arco
- a snowball's chance in hell
- a tempo
- a tergo
- a vinculo matrimonii
- a vuestra salud
- a while back
- a&h
- a&i
- a&r
- a&s
- a'
- a-
- a-hole
- a-i-r
- a-v
- a-yuh
- a.
- a.a.
- a.c.
- a.d.
- a.d.s.
- a.e.
- a.f.
- a.k.
- a.k.a.
- a.l.
- a.l.s.
- a.m.
- a.p.
- a.r.
- a.s.a.p.
- a.v.
- a.w.
- a/c
- aT
- aa
- aah
- aalii
- aar
- aardvark
- aardwolf
- aarti
- ab aeterno
- ab esse
- ab extra
- ab initio
- ab intra
- ab origine
- ab ovo
- ab urbe condita
- ab-
- ab.
- aba
- abac
- abaca
- abaciscus
- abacist
- aback
- abacterial
- abactinal
- abaculus
- abacus
- abaft
- abalone
- abamp
- abampere
- abandon
- abandoned
- abandonee
- abandonment
- abandonware
- abapical
- abaptiston
- abase
- abased
- abasement
- abash
- abashed
- abasia
- abat-jour
- abate
- abated
- abatement
- abatis
- abator
- abattage
- abattoir
- abaxial
- abaya
- abb
- abba-dabba
- abbacy
- abbatial
- abbed
- abbess
- abbey
- abbot
- abbr.
- abbrev.
- abbreviate
- abbreviated
- abbreviation
- abbreviatory
- abbé
- abcoulomb
- abd
- abd.
- abdicant
- abdicate
- abdication
- abdom.
- abdomen
- abdominal
- abdominal cavity
- abdominal crunch
- abdominal thrust
- abdominoplasty
- abdominous
- abduce
- abducens
- abducens nerve
- abducent
- abducent nerve
- abduct
- abductee
- abduction
- abductor
- abeam
- abecedarian
- abecedarium
- abecedary
- abed
- abegging
- abele
- abelia
- abelian group
- abelmosk
- abend
- aberdevine
- abernethy
- aberrant
- aberration
- abessive
- abet
- abetalipoproteinemia
- abettor
- abeyance
- abeyant
- abfarad
- abhenry
- abhominable
- abhor
- abhorred
- abhorrence
- abhorrent
- abidance
- abide
- abide by
- abiding
- abient
- abietate
- abietic acid
- abigail
- ability
- abiogenesis
- abiogenic
- abiological
- abiosis
- abiotic
- abiotic factor
- abiotrophy
- abirritant
- abirritate
- abjad
- abject
- abjection
- abjective
- abjunction
- abjuration
- abjure
- abl.
- ablactate
- ablactation
- ablare
- ablate
- ablation
- ablative
- ablative absolute
- ablator
- ablaut
- ablaze
- able
- able rating
- able seaman
- able-bodied
- able-bodied seaman
- abled
- ableism
- ableist
- ableist language
- abloom
- abluent
- ablush
- abluted
- ablution
- ably
- abmho
- abmodality
- abnegate
- abnegation
- abnormal
- abnormal psychology
- abnormalcy
- abnormality
- abnormalize
- abnormity
- aboard
- aboardage
- abode
- abohm
- aboideau
- aboil
- abolish
- abolition
- abolitionism
- abolitionist
- abolitionize
- abolla
- abomasum
- abominable
- abominable snowman
- abominate
- abomination
- abondance
- aboon
- aboral
- aboriginal
- aborigine
- aborigines
- aborning
- abort
- aborticide
- abortifacient
- abortion
- abortion pill
- abortion-on-demand
- abortionist
- abortive
- abortus
- aboudikro
- abought
- aboulia
- abound
- about
- about face
- about ship
- about time
- about to
- about turn
- about-face
- about-ship
- above
- above all
- above and beyond
- above board
- above suspicion
- above the law
- above the line
- above-the-line
- aboveboard
- aboveground
- abovementioned
- abp.
- abr.
- abracadabra
- abradant
- abrade