- Axiom
- Absolutist
- Aero
- A
- A bad patch
- A bed of thorn
- A big name
- A bird in the hand is worth two in the bush
- A bit thick
- A capital offence
- A caste title
- A cheat
- A chip of the old block
- A confirmed bachelor
- A cross-breed of male horse and female deer
- A table-land
- A tree
- A war bride
- A war veteran
- A wet nurse
- A white elephant
- A yadava
- Aaronic
- Ab ovo
- Aberrate
- Aberration
- Abettor
- Abhorence
- Abidance
- Abject
- Abjectness
- Abl
- Ablate
- Ablaze
- Ablepsy
- Ablutions
- Abm
- Abnormal
- Abnormality
- Above price
- Abracadabra
- Abracos
- Abrade
- Abrading
- Abrandant
- Abrasively
- Abrasiveness
- Abreast
- Abridged
- Abrupt
- Abruptness
- Abscond
- Absconded out
- Absconding
- Abseil
- Absence
- Absent
- Axilla
- Absurd
- Absurdism
- Absurdity
- Abundantly
- Abused
- Abutting
- Abysmal
- Ac
- Acc
- Accelerated
- Acceleration
- Accredited
- Accrual
- Accruement
- Accumbent
- Accumulator
- Accuracy
- Accursed
- Accusable
- Accusant
- Accusative
- Accused of
- Accustom
- Accustomed walk
- Acquaintanceship
- Acquiesce
- Acquisitive
- Acquittal
- Acre
- Acrimonious
- Acrobatic
- Acrobatics
- Acropolis
- Across
- Act of grace
- Actuarial
- Actuary
- Actuate
- Acuate
- Acupuncture
- Ad hoc
- Ad infinitum