- ape
- ape-man
- aperient
- aperiodic
- aperitif
- aperture
- apeshit
- apex
- APEX
- aphasia
- aphelion
- aphesis
- aphid
- aphis
- aphonic
- aphorism
- aphrodisiac
- API
- apiarist
- apiary
- apical
- apiculture
- apiece
- aplenty
- aplomb
- apnoea
- Apocalypse
- apocalyptic
- apocopate
- apocope
- Apocrypha
- apocryphal
- apodosis
- apogee
- apolitical
- apologetic
- apologetically
- apologetics
- apologia
- apologist
- apologize
- apology
- apolune
- apoplectic
- apoplexy
- apostasy
- apostate
- apostatize
- apostle
- apostolic
- apostrophe
- apostrophize
- apothecary
- apothem
- apotheosis
- app
- appal
- Appalachian
- appall
- appalled
- appalling
- appallingly
- apparatchik
- apparatus
- apparel
- apparent
- apparently
- apparition
- appeal
- appeal court
- appealing
- appealingly
- appear
- appearance
- appease
- appeasement
- appellant
- appellate
- appellate court
- appellation
- appellative
- append
- appendage
- appendectomy
- appendicitis
- appendix
- appertain
- appetite
- appetizer
- appetizing
- Appian
- applaud
- applause
- apple
- apple butter
- apple pie
- apple sauce
- applejack
- apple-polisher
- applet
- appliance
- applicable
- applicant
- application
- application form
- applicator
- applied
- appliqué
- apply
- appoggiatura
- appoint
- appointee
- appointment
- apportion
- apposite
- appositely
- apposition
- appositive
- appraisal
- appraise
- appraising
- appreciable
- appreciably
- appreciate
- appreciation
- appreciative
- appreciatively
- apprehend
- apprehension
- apprehensive
- apprehensively
- apprentice
- apprenticeship
- apprise
- appro
- approach
- approach road
- approach shot
- approachable
- approaching
- approbate
- approbation
- appropriate
- appropriately
- appropriateness
- appropriation
- approval
- approval rating
- approve
- approved
- approved school
- approving
- approvingly
- approx.
- approximate
- approximately
- approximation
- appurtenance
- Apr.
- APR
- après-ski
- apricot
- April
- apriorism
- apron
- apron stage
- apropos
- apse
- apt.
- apt
- aptitude
- aptitude test
- aptly
- aptness
- Apulia
- aquacade
- aquaculture
- aqualung
- aquamarine
- aquanaut
- aquaplane
- aquarium
- Aquarius
- aquarobics
- aquascape
- aquatic
- aquatics
- aquatint
- aquavit
- aqueduct
- aqueous
- aqueous humour
- aquifer
- aquilegia
- aquiline
- Aquinas
- AR
- Arab
- arabesque
- Arabia