- armadillo
- airdrome
- air station
- aerodrome
- air base
- airbase
- airport
- astronomy
- aeration
- amorphous
- adjudication
- amoeboid
- amir
- arthralgia
- ale
- acetone
- antitussive
- aromatic
- adolescence
- assassination
- absolve
- annexure
- anatomize
- amelia
- abridged
- alpine
- assembler
- analects
- agra
- acacia
- almond
- ado
- adultery
- acne
- abscond
- astronaut
- abduct
- aquiline
- astatic
- analyzer
- accomplice
- asthenic
- absorbed
- arraignment
- abalienation
- adult education
- antagonistic
- allah
- astrologer
- authorities