- at every turn recurrently
- approver
- at peak
- at random
- at school
- at sea
- approve
- appreciate
- apportion
- at someone's disposal
- at someone's disposition
- applause
- at stake
- appetizing
- appetitive
- appetite
- appetise
- appetence-cy
- apperception
- accredited
- appendicitis
- appendectomy
- appellate
- athiest
- athlete
- athletic exercise
- athletics
- atomic
- attachment
- attack
- appease
- attagirl
- acid
- attained puberty
- attainment
- attempt
- attendance register
- attractive
- attributable
- attribute
- atwitter
- appealer
- apparently
- au courant
- auspicious woman
- achilles' heel
- austere
- apparent
- apartment
- authentically
- apart from
- authoress
- authorial
- autogenously
- autolysis
- automatic check
- acquainted
- autonomous
- apace
- acquit
- auxiliary
- auxiliary bishop
- avail
- availability
- avid
- aviform
- anytime
- addiction
- avoidable
- anyhow
- avow
- acumen
- antiseptic
- antipathy
- awake to
- abatement
- aberration
- antinational
- abnegation
- abolition
- abominable
- antilogarithm
- abortion
- abortive
- accentuate
- antihero
- abrasion
- anthropocene
- anthrax
- antepenultimate
- absolutely
- accompany
- absolve
- antennae
- abstinence
- Abstraction
- academy
- ante-mortem
- accompaniment
- antares