apis - at day
- artificial butter
- artificial insemination
- artificial intelligence
- artificial numbers
- artificial respiration
- artillerist
- artillery
- artillery board
- artillery emplacement
- artillery engagement
- artillery mount
- artillery range
- artillery with the army
- artilleryman
- artisan
- artist
- artiste
- artistic
- artistry
- artless
- artsy
- artwork
- arty
- arum
- ARV American Revised Version
- ARX American Red Cross
- Aryan
- as
- as a rule
- AS Anglo-Saxon
- as from now
- as occasion serves
- as safe as houses
- as sharp as a needle
- as usual
- as well as
- ASA American Standards Association
- asbestine
- asbestos
- ASCAP American Society of Composers Authors and Publishers