- at bay
- anglesea
- aalborg
- aalst
- alvar aalto
- a rich
- atrium of the heart
- atrium dextrum
- alosa chrysocloris
- antidromic
- auditory receptive centre
- adventitial cell
- afebrile nonbacterial gastroenteritis
- acute triangle
- a dravidian
- asynchronous working
- antisecretory compound
- aerobiosis
- affording or serving for livelihood
- anencephalous
- anencephalic
- adactylia
- adactyly
- ark shell
- anisogamete
- acoustic filter
- at his time of life
- artificial airway
- aare river
- alben william barkley
- acromegalia
- adenomegaly
- a treaty_maker
- addressing loop
- amanita phalloides
- amanita verna
- allonge
- a dogs life
- arnold of brescia
- an archivist
- al_aksa martyrs brigades
- antony
- antianaphylaxis
- an aṉgler
- august ferdinand mobius
- amnestic
- arianist
- an adjudicator
- an adjectival suffix meaning one who reaches
- anaphylactic