-act-
act
action, actor, react, transact, enact,
-aud-
hear
audience, auditorium, audible, audition
-bio-
life
biology, biography, biofeedback, bionics
-cred-
believe; trust
credit, discredit, credible, credulous
-dem-
people
democracy, democracy, democrat, demographics
-dic-
speak; say
dictate, predict, contradict, verdict, diction
-geo-
earth
geography, geology
-graph-
write; draw
autograph, paragraph, phonograph, photograph, telegraph
-loc-
place
allocate, locate, location
-man-
hand
manual, manufacture, manuscript, manipulate, manicure
-ped-
foot
pedal, pedestrian, pedestal, pedicure
-pop-
people; nation
population, popular, populace
-port-
carry
import, export, portable, porter, transport
-sign-
mark; sign
insignia, signal, significant, signature
-spec- -spect-
see; look at
inspect, respect, spectacle, spectator, suspect
-tract-
pull; drag
attract, detract, detract, contract, subtract, traction, tractor
-vid- -vis-
see; look at
evidence, video, provide, provide, providence, visible
-volv- -volu-
see; look
evidence, video, provide, providence, visible
anti-
against; opposing
antiwar, anticlimax, antipathy, antithesis
bi-
two
bisect, bimonthly, biannual, biceps
co-
with; together
coexist, codependent, copilot, cosign
de-
away from; off; down
debrief, debug, decline, debunk
dia-
through; across; between
diameter, diagonal, dialect, diaper
in- im-
in; into; within; not
introduce, imprison, insensitive, impatient, import, inseparable
inter-
between; among
interpersonal, intersect, intersection, interrupt
non-
not
nonprofit, nonfat, nonstick, nonstop
post-
after; following
postnasal, postgraduate, postpone, postoperative, posterior
pre-
before
prepay, preview, preorder, preschool
re-
back; backward; again
reverse, return, recur, rerun, reject
sub-
under; beneath
submarine, substandard, subway, subdue, subtract, substitute
syl- sym- syn- sys-
together; with
syllable, symmetric, synthesis, system, synthetic, symphony, symbol
trans-
across
transplant, translate, transparent, translucent, transfer, transform
-able
able; likely
readable, lovable, portable, likable,
-ance -ancy
act; quality
admittance, constancy, vacancy, defiance
-ate
to become, to cause, to be
captivate, activate, donate, motivate
-fy
to make; to cause; to be
liquefy, simplify, electrify, unify, purify
-ible
able; likely
flexible, digestible, visible, legible
-ity
state; condition
reality, sincerity, humility, disability
-ize
to make; to cause; to be
socialize, motorize, dramatize, agonize
-ment
result; act of; state of being
judgment, fulfillment, movement, treatment, punishment
-ous
characterized by
dangerous, malicious, famous, odorous
-tion
action; condition
rotation, election, evolution, direction, invention