a/an
not, without
agnostic, amoral, anomaly, anonymous, apathy, atheist, atrophy, atypical
ab
off, away from, apart, down
abdicate, abduct, abhor, abject, abnormal, abolish, abstinence, abstract, abstruse
able/ible
capable of, worthy of
changeable, combustible, inevitable, presentable
ac/acr
sharp, bitter, sour
acerbic, acid, acrimonious, acumen, acute, exacerbate
acou
hearing
acoustic
act/ag
to do, to drive, to force, to lead
agile, agitate, pedagogue, prodigal, synagogue
ad
to, toward, near
(Often d is dropped and first letter is doubled)
accede, adapt, addict, address, adhere, adjacent, adjoin, admire, advocate, attract
al/ali/alter
other, another
alias, alibi, alien, allegory, alter ego, alternative, altruist
am
love
amateur, amatory, amiable, amicable, amity, amorous, enamored, inamorata
ambi/amphi
both, on both sides, around
ambidextrous, ambient, ambiguous, amphibian
ambl/ambul
to go, to walk
ambulance, ambulatory, perambulator, preamble
anim
of the life, mind, soul, breath
animal, animosity, equanimity, magnanimous, unanimous
annui/enni
year
annals, anniversary, annual, annuity, perennial
ant/ante
before
antebellum, antecedent, antedate, antediluvian, anterior
anthro/andr
man, human
androgen, androgynous, android, anthropocentric, anthropology, misanthrope, philanderer
anti
against, opposite
antibody, antidote, antipathy, antipodal, antiseptic
apo
away
apocalypse, apocryphal, apogee, apology, apostasy, apostle
aqua/aque
water
aquamarine, aquarium. aquatic, aqueduct, subaqueous
arch/archi/archy
chief, principal, ruler
anarchy, archenemy, architect, monarchy, oligarchy
ard
burn
ardent, ardor, arson
auto
self
autocrat, automatic, autonomy
be
able, to make, to surround, to affect
(often to make transitive verbs)
belie, belittle, bemoan, bewilder
bel/bell
beautiful
belle, embellish
bell
war
antebellum, belligerent, rebel