- around-the-clockaround-the-clock synonyms
- arseno
- ars gratia artis
- ASC
- Asherah
- ash fall
- ashpit
- Asperger syndrome
- assbackwards
- assimilationism
- assumable
- -ata
- athero-
- ATS
- attainableattainable synonyms
- audiovisual aids
- augmenter
- autodidactic
- autoerotic
- autoerotic asphyxia
- autophagia
- aux
- aux
- Auxo
- availabilityavailability synonyms
- avengeravenger synonyms
- Avernus
- avi-
- awardeeawardee synonyms
- a-yuh
- cedant arma togae
- elitistelitist synonyms
- esthesis
- etheric