Merriam-Webster's Collegiate Dictionary:
antisense
antisepsis
antiseptic
antiseptically
antiserum
antisocial
antisocial personality disorder
antisocially
antisolar
antispasmodic
antistat
antistatic
antisthenes
antistrophe
antistrophic
antistrophically
antistyle
antisymmetric
antithesis
antithetic
antithetical
antithetically
antithrombin
antithyroid
antitoxic
antitoxin
antitrust
antitruster
antitussive
antivenin
antivenom
antivitamin
antiwhite
antler
antlered
antlerless
antofagasta
antonescu
antonian
antoninus
antoninus pius
antonius
antonomasia
antony
antonym
antonymic
antonymous
antonymy
antral
antre
antrim
antrum
ants in one's pants
antsiranana
antsy
antung
antwerp
antwerpen
anubis
anuradhapura
anuran
anuria
anuric
anus
anvers
anvil
anxiety
anxiolytic
anxious
anxiously
anxiousness
any
anyang
anybody
anyhow
anymore
anyone
anyplace
anything
anything like
anytime
anyway
anyways
anywhere
anywheres
anywise
anzac
anzio
ao
aomen
aomori
aor
aorangi
aorist
aoristic
aoristically
aorta
