Antho
Flower
Anthropo
Man; human (anthropomorphic)
Anti
Against (antiseptic)
Apo; ap
Away from (the Apollo went away from the earth)
Aqu
Water
Archaeo
Primitive, ancient
Arteri
Artery
Anthr
Joint; articulation
Ase
Forms names of enzymes
Aster; astr
Star (astrology)
Atmo
Vapor (atmosphere)
Audi
Hear (auditory)
Auto
Self
Bacter; bactri
Bacterium, stick, club
Barb
Beard (barber)
Baro
Weight
Bath
Depth, height
Bene
Well; good (benevolent)
Bi
Two, twice
Bi- bio-
Life, living