- appmt.
- appoggiatura
- appoint
- appointed
- appointee
- appointive
- appointment
- Appointment in Samarra
- appointment television
- appointment viewing
- appointor
- Appomattox
- Appomattox Court House
- apport
- apportion
- apportionment
- appose
- apposite
- apposition
- appositive
- appraisal
- appraisal drilling
- appraise
- appreciable
- appreciate
- appreciated
- appreciation
- appreciative
- appreciatory
- apprehend
- apprehended
- apprehensible
- apprehension
- apprehensive
- apprentice
- apprenticeship
- appressed
- appressorium
- apprise
- apprised
- apprize
- appro
- approach
- approachable
- approach light
- approach shot
- approbate
- approbation
- approbative
- appropriable
- appropriacy
- appropriate
- appropriately
- appropriation
- approvable
- approval
- approve
- approved school
- approved social worker
- approver
- approx.
- approximal
- approximant
- approximate
- approximately
- approximation
- appt.
- apptd.
- appulse
- appurtenance
- appurtenant
- Apr
- APR
- Apr.
- APRA
- Apra Harbor
- apraxia
- après
- après moi le déluge
- Apresoline
- après-ski
- apricate
- apricity
- apricot
- April
- April fool
- April Fools' Day
- April showers bring May flowers
- a priori
- apriorism
- APRN
- apron
- apron piece
- apron stage
- apron strings
- A prophet is not without honor save in his own country
- apropos
- à propos de rien
- apropos of
- aprotic
- aprowl
- Apsaras
- apse
- apsidal motion
- apsidiole
- apsis
- Ap star
- Apsu
- Apsyrtus
- apt
- apt.
- apteral
- apterium
- apterous
- apterygial
- apterygote
- apteryx
- aptitude
- aptitude test
- aptly
- aptonym
- Apuleius
- Apulia
- a punta d'arco
- Apure
- Apurimac
- Apurímac
- Apus
- apx.
- APY
- apyrase
- apyretic
- apyrexia
- apˈpealing
- apˈportionment
- apˈposable
- apˈproachable
- aq
- AQ
- aq.
- aq. bull.
- aq. comm.
- aq. dest.
- aq. ferv.
- Aqaba
- Aqmola
- Aqtöbe
- aqua
- aqua-
- aqua ammoniae
- aquacade
- aquaceutical
- aquaculture
- Aquadag
- aquaerobics
- aquafaba
- aquafarm
- aquafitness
- aqua fortis
- aqualung
- Aqua-Lung
- aquamanile
- aquamarine
- aquanaut
- aquaphobia
- aquaplane
- aquaponics
- aquaporin
- aqua pura
- aqua regia
- aquarelle
- Aquarian
- Aquarids
- aquarist
- aquarium
- Aquarius
- aquashow
- aquatic
- aquatics
- aquatint
- aquatone
- aquavit
- aqua vitae
- aqueduct
- aqueduct of Sylvius
- aqueous
- aqueous humor
- aqueous humour
- aqui-
- aquiclude
- aquiculture
- Aquidneck Island
- aquifer
- Aquila
- aquilegia
- Aquileia
- aquiline
- Aquilo
- Aquinas
- Aquinas, Thomas
- Aquino
- aquí se habla español
- Aquitaine
- aquiver
- a quo
- ar
- Ar
- AR
- ar-
- ar.
- Ar.
- Ar.M.
- AR-15
- Ara
- ARA
- araara
- Arab
- Arab.
- Arab American
- araban
- Arabel
- arabesque
- Arabia
- Arabia Deserta
- Arabia Felix
- Arabian
- Arabian camel
- Arabian coffee
- Arabian Desert
- Arabian horse
- Arabian jasmine
- Arabian Nights
- Arabian Nights' Entertainments
- Arabian Nights' Entertainments, The
- Arabian oryx
- Arabian Sea
- Arabia Petraea
- Arabic
- arabica bean
- arabica coffee
- Arabicize
- Arabic numeral
- arabinose
- arabinoside
- arabis
- Arab-Israeli conflict
- Arabist
- Arabize
- arable
- Arab League
- Arab Legion
- Arab Spring
- Arab street
- Araby
- ara-C
- Aracaju
- Aracajú
- aracari
- Araçatuba
- araceous
- arachidic
- arachidic acid
- arachidonic acid
- Arachne
- arachnid
- arachnoid
- arachnology
- arachnophobia
- Arad
- araeostyle
- araeosystyle
- Arafat
- Arafat, Yasir
- Arafura Sea
- Aragats
- Arago man
- Aragon
- Aragonese
- aragonite
- Araguaia
- Araguaía
- Araguarí
- Araguaya
- Arakan Yoma
- Araks
- Araldite
- aralia
- araliaceous
- Arallu
- Aral Sea
- Aram
- Aram.
- Aramaean
- Aramaic
- Aramburu
- Aramean
- aramid
- aramid fiber
- Aran
- Aranda