- apple tree borer
- apple-pie
- apple-pie bed
- apple-pie order
- apple-polish
- applecart
- appledrain
- applejack
- appleknocker
- apples
- apples and oranges
- apples and pears
- applesauce
- applet
- appley
- appliance
- appliance garage
- applicability
- applicable
- applicant
- application
- application program
- applications package
- applicative
- applicator
- applicatory
- applied
- applied kinematics
- applied linguistics
- appliqué
- apply
- appmt.
- appoggiatura
- appoint
- appointed
- appointee
- appointive
- appointment
- appointment television
- appointment viewing
- appointor
- apport
- apportion
- apportionment
- appose
- apposite
- apposition
- appositive
- appraisal
- appraisal drilling
- appraise
- appreciable
- appreciate
- appreciated
- appreciation
- appreciative
- appreciatory
- apprehend
- apprehensible
- apprehension
- apprehensive
- apprentice
- apprenticeship
- appressed
- appressorium
- apprise
- apprised
- apprize
- appro
- approach
- approach light
- approach shot
- approachable
- 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
- apraxia
- apricot
- apriorism
- apron
- apron piece
- apron stage
- apron strings
- apropos
- apropos of
- aprotic
- aprowl
- après
- après moi le déluge
- après-ski
- apse
- apsidal motion
- apsidiole
- apsis
- apt
- apt.
- apteral
- apterium
- apterous
- apterygial
- apterygote
- apteryx
- aptitude
- aptitude test
- aptly
- aptonym
- apx.
- apyrase
- apyretic
- apyrexia
- apéritif
- apˈpealing
- apˈportionment
- apˈposable
- apˈproachable
- aq
- aq.
- aq. bull.
- aq. comm.
- aq. dest.
- aq. ferv.
- aqua
- aqua ammoniae
- aqua fortis
- aqua pura
- aqua regia
- aqua vitae
- aqua-
- aquacade
- aquaceutical
- aquaculture
- aquaerobics
- aquafaba
- aquafarm
- aquafitness
- aqualung
- aquamanile
- aquamarine
- aquanaut
- aquaphobia
- aquaplane
- aquaponics
- aquaporin
- aquarelle
- aquarist
- aquarium
- aquashow
- aquatic
- aquatics
- aquatint
- aquatone
- aquavit
- aqueduct
- aqueduct of Sylvius
- aqueous
- aqueous humor
- aqueous humour
- aqui-
- aquiclude
- aquiculture
- aquifer
- aquilegia
- aquiline
- aquiver
- aquí se habla español
- ar
- ar-
- ar.
- ara-C
- araara
- araban
- arabesque
- arabica bean
- arabica coffee
- arabinose
- arabinoside
- arabis
- arable
- aracari
- araceous
- arachidic
- arachidic acid
- arachidonic acid
- arachnid
- arachnoid
- arachnology
- arachnophobia
- araeostyle
- araeosystyle
- aragonite
- aralia
- araliaceous
- aramid
- aramid fiber
- araneid
- araneose
- arapaima
- araroba
- araucaria
- arb
- arba kanfoth
- arbalest
- arbiter
- arbiter elegantiae
- arbitrable
- arbitrage
- arbitrager
- arbitral
- arbitrament
- arbitrarily
- arbitrariness
- arbitrary
- arbitrate
- arbitration
- arbitration bar
- arbitrator
- arbitrer
- arbitress
- arbor
- arbor vitae
- arboraceous
- arboreal
- arbored
- arboreous
- arborescent
- arboretum
- arboriculture
- arborio
- arborio rice
- arborist
- arborization
- arborous
- arborvitae
- arbour
- arbovirus
- arbtrn.
- arbuscular mycorrhiza
- arbutus
- arc
- arc cos
- arc cosecant
- arc cosine
- arc cotangent
- arc furnace
- arc lamp
- arc light
- arc sec
- arc secant
- arc second
- arc sine
- arc spectrum
- arc tan
- arc tangent
- arc welding
- arc-back
- arc-boutant
- arc-jet engine
- arca
- arcade
- arcade game
- arcaded
- arcana
- arcane
- arcanist
- arcanum
- arcanum arcanorum
- arcature
- arccos
- arcform
- arch
- arch beam
- arch board
- arch brace
- arch dam
- arch head
- arch support
- arch-
- arch.