- anisotremus surinamensis
- algometrical
- arrester hook
- appealing
- appealing (person)
- a fathom
- a fault_finder
- a ticket
- a side_heroine
- any time
- adhesive stress
- acoustic equalizer
- acoustic coupling
- aleksandr solzhenitsyn
- aleksandr i. solzhenitsyn
- alexander iii
- accessional
- an ad hoc committee
- alexander alexandrovich blok
- adams
- ararat
- ascomycota
- ascomycotina
- adhesive felt
- alfred hitchcock
- an iconoclast
- a postposition (i.e.
- a prefix
- afflatus
- a guilty person
- a guinea (a british gold coin)
- a stamp paper
- abundant supply
- an anti_intellectual
- augustin eugene scribe
- a small boil
- atasia_abasia
- aranyaka
- ataxic abasia
- atactic
- attache
- at disposal
- a nod is as good as a wink to a blind horse
- a nod is as good as a wink
- additions to esther
- additive gene
- annelid
- annealing twin
- airing
- additive attribute