- airpipe
- air piracy
- air pistol
- airplane
- airplane carrier
- airplane cloth
- airplane mode
- airplane spin
- airplane turn
- air plant
- airplay
- air plot
- air plug
- air pocket
- Air Police
- air pollution
- airport
- airport code
- air potato
- air power
- air pressure
- airproof
- air pump
- Air Quality Index
- air quotes
- air rage
- air raid
- air-raid shelter
- air-raid warden
- air rifle
- air right
- air root
- air route
- airs
- air sac
- air scoop
- Air Scout
- airscrew
- air-sea rescue
- air service
- air shaft
- airshed
- airship
- air-ship
- air shot
- airshow
- air show
- air shower
- airsick
- airsickness
- airside
- air sign
- air-slake
- air sock
- airspace
- air space
- airspeed
- airspeed indicator
- air spray
- air-spray
- air sprayer
- air spring
- air station
- airstream
- air strike
- airstrip
- air-superiority
- air switch
- air system
- airt
- air taxi
- air terminal
- airtight
- airtime
- air-to-air
- air-to-surface
- air traffic
- air-traffic control
- air-transportable
- airtsy-mairtsy
- air turbine
- air twist
- air valve
- air varié
- air vesicle
- air vice-marshal
- air walk
- air war
- airwash
- airwaves
- airway
- air waybill
- air well
- airwoman
- air wood
- airworthiness
- airworthy
- airy
- Airy
- Airy disc
- airy-fairy
- AIS
- Aisha
- AISI
- AISI steel
- aisle
- Aisne
- ait
- aitch
- aitchbone
- Aitken
- Aius Locutius
- Aix-en-Provence
- Aix-la-Chapelle
- Aix-les-Bains
- Aíyina
- AJA
- Ajaccio
- Ajanta
- ajar
- Ajaria
- Ajax
- Ajax Mountain
- AJC
- ajingle
- ajiva
- Ajivika
- Ajman
- Ajmer
- Ajmer-Merwara
- à jour
- ajuga
- AK
- AK-47
- aka
- Akademi
- akala
- Akan
- akaryote
- akasha
- Akashi
- akatea
- akathisia
- Akbar
- ake
- akeake
- akebi
- akela
- Akela
- Akeley
- akene
- Akh
- Akhaïa
- akhara
- Akhenaten
- Akhetaton
- Akhisar
- Akhmatova
- akiapolaau
- Akiba ben Joseph
- Akihito
- Akil
- akimbo
- Akimiski Island
- akin
- akinesia
- akinete
- akinetic mutism
- Akins
- akiraho
- akita
- Akita
- Akkad
- Akkadian
- Akkerman
- Akmola
- Akmolinsk
- Akola
- akrasia
- Akron
- Akrotíri
- Aksum
- Aktobe
- Aktyubinsk
- Akubra
- Akure
- Akureyri
- Akutagawa
- akvavit
- Akwa Ibom
- al
- Al
- AL
- al-
- Al-
- al.
- AL.
- à l'
- à l'abandon
- à l'ancienne
- à l'anglaise
- à l'étuvée
- à l'improviste
- à l'orange
- ala
- Ala
- à la
- Ala.
- Alabama
- Alabamian
- alabamine
- alabandite
- alabaster
- alabastos
- alabastron
- alabastrum
- à la bonne heure
- à la broche
- Alacant
- à la carte
- alack
- alacrity
- Ala Dağ
- Ala Dagh
- Aladdin
- Aladdin's cave
- Aladdin's lamp
- à la française
- Alagez
- Alagna
- Alagoas
- Alai
- Alai Mountains
- Alain-Fournier
- Alajuela
- à la king
- alala
- Alalcomeneus
- alalia
- Alamán
- alameda
- Alameda
- Alamein
- alamo
- Alamo
- alamode
- à la mode
- Alamogordo
- à la mort
- Alan
- Alanbrooke
- Åland Islands
- Alani
- Alania
- alanine
- alannah
- Al-Anon
- alant starch
- alanyl
- Alaouite
- alap
- alapa
- a la plancha
- Alappuzha
- al-Aqsa
- alar
- Alar
- Alarcón
- Alaric
- à la rigueur
- alarm
- alarm clock
- alarming
- alarmist
- alarm reaction
- alarum
- alarums and excursions
- alary
- alas
- Alas, poor Yorick!
- Alas.
- al-Ashʿari
- Alaska
- Alaska Current
- Alaska-Hawaii time
- Alaska Highway
- Alaskan
- Alaskan malamute
- Alaskan pipeline
- Alaska Peninsula
- Alaska Purchase
- Alaska Range
- Alastair
- alastor
- Ala-Tau
- alate
- Alateen
- Alava
- à la vapeur
- alb
