- antlers
- antonym
- Antwerp
- anus
- anvil
- anxiety
- anxious
- anxiously
- any
- anybody
- anyhow
- anyone
- anyplace
- anything
- anyway
- anywhere
- Anzac
- AOB
- Apache
- apart
- apartheid
- apartment
- apartment building
- apathetic
- apathy
- APB
- ape
- Apennines
- aperitif
- aperture
- apex
- APEX
- aphid
- aphorism
- aphrodisiac
- apices
- apiece
- aplomb
- apocalypse
- apocalyptic
- apogee
- apolitical
- apologetic
- apologetically
- apologize
- apology
- apoplectic
- apoplexy
- apostle
- apostrophe
- appal
- Appalachian
- appall
- appalled
- appalling
- appallingly
- apparatus
- apparel
- apparent
- apparently
- apparition
- appeal
- appealing
- appear
- appearance
- appease
- appeasement
- append
- appendage
- appendices
- appendicitis
- appendix
- appertain
- appetite
- appetizer
- appetizing
- applaud
- applause
- apple
- apple pie
- apple tree
- appliance
- applicable
- applicant
- application
- application form
- applied
- apply
- appoint
- appointment
- apportion
- apposite
- appraisal
- appraise
- appreciable
- appreciably
- appreciate
- appreciation
- appreciative
- apprehend
- apprehension
- apprehensive
- apprehensively
- apprentice
- apprenticeship
- appro.
- approach
- approachable
- approaching
- approbation
- appropriate
- appropriately
- appropriation
- approval
- approve
- approved
- approving
- approx.
- approximate
- approximately
- approximation
- APR
- Apr.
- après-ski
- apricot
- apricot tree
- April
- April Fools' Day
- apron
- apropos
- apt
- Apt.
- aptitude
- aptitude test
- aptly
- aqualung
- aquaplane
- aquarium
- Aquarius
- aquatic
- aqueduct
- AR
- Arab
- Arab League
- Arabia
- Arabian
- Arabic
- Arabic numeral
- arable
- arbitrary
- arbitrate
- arbitration
- arc
- ARC
- arcade
- arch
- arch-
- archaeological
- archaeologist
- archaeology
- archaic
- archangel
- archbishop
- archduchess
- archduke
- arched
- archenemy
- archeology etc.
- archer
- archery
- archetypal
- archetype
- archipelago
- architect
- architectural
- architecture
- archive file
- archives
- archivist
- archway
- Arctic
- Arctic Circle
- Arctic Ocean
- ardent
- ardour
- arduous
- are
- area
- area code
- arena
- aren't
- Argentina
- Argentine
- arguable
- arguably
- argue
- argument
- argumentative
- aria
- arid