- angle
- anaplasty
- Attilio
- atomic number 15
- acid
- atomic number 91
- acquire
- atomic number 1
- atomic weapon
- angular distance
- alaska rein orchid
- attire
- array
- attired
- appareled
- article of clothing
- apparel
- accouterment
- accoutrement
- accessory
- ane
- ace
- atomic number 53
- auxin
- aden_abyan islamic army
- atomic number 19
- androgen
- aram kachaturian
- androgenic hormone
- alastrim
- atomic number 7
- azote
- American_Indian language
- Amerind
- Amerindian language
- apprehend
- arrest
- aught
- American Indian
- adversity
- an nafud
- an nefud
- am
- alkaliser
- artium magister
- antacid
- alkalizer
- antiacid
- avo
- acrocomia aculeata