- attributive genitive
- attributive genitive case
- allusiveness
- abrogable
- asynchrony
- asynergia
- a slattern
- asunder
- anonymousness
- agedness
- accouchenrs hand
- asphyxiated lens
- asphyxia neonatorum
- averting
- arts application data bank
- aerodontalgia
- annular eclipse
- aengus
- angus og
- a voyage
- albatrellus ovinus
- adolphe sax
- Atlantic manta
- argonauta
- ametria
- anencephalia
- Aqua_Lung
- Acanthophis antarcticus
- arch over
- antler moth
- aero
- an acid
- aboriginal tribe
- acoustic gramophone
- ade
- alimentary glycosuria
- at home
- artificial additive
- a rumple
- a commission (a body of persons having authority)
- agoraphobic
- antimacassar
- artificial syrup
- artificial silkworm gut
- atrioventricular canal defect
- atrioventricular nodal techycardia
- atrioventricular valve
- aster cordifolius
- an instance
- archpriest