Root - -act-
Meaning: act
Examples: action, actor, react, transact, entact
Root - aud-
Meaning: hear
Examples: audience, auditorium, audible, audition
Root - bio-
Meaning: life
Examples: biology, biography, biofeedback, bionics
Root -cred-
Meaning: believe; trust
Examples: credit, discredit, credible, credoulous
Root -dem-
Meaning: people
Examples: democracy, democrat, demographics
Root -dic-
Meaning: speak; say
Examples: dicate, predict, contradict, verdict, diction
Root -geo-
Meaning: earth
Examples: geography, geology
Root -graph-
Meaning: write; draw
Examples: autograph, paragraph, phonograph, photograph, telegraph
Root -loc-
Meaning: place
Examples: allocate, locate, location
Root -man-
Meaning: hand
Examples: manual, manufacture, manuscript, manipulate, manicure
Root -ped-
Meaning: foot
Examples: pedal, pedestrian, pedestal, pedicure
Root -pop-
Meaning: people; nation
Examples: population, popular, populace
Root -port-
Meaning: carry
Examples: import, export, portable, porter, transport
Root -sign-
Meaning: mark; sign
Examples: insignia, signal, significant, signature
Root -spec-, -spect-
Meaning: see; look at
Examples: inspect, respect, spectacle, spectator, suspect
Root -tract-
Meaning: pull; drag
Examples: attract, detract, contract, subtract, traction, tractor
Root -vid-, -vis-
Meaning: see; look at
Examples: evidence, video, provide, providence, visible
Root - volv-, -volu-
Meaning: roll; motion or activity
Examples: envolve, involve, revolve, revolve, revolver, revolution
Prefix - anti
Meaning: against, opposing
Examples: antiwar, anticlimax, antibotic, antivirus
Prefix -bi
Meaning: two
Examples: bicycle, binnoculars, billingual, biceps
Prefix co-
Meaning: with; together
Examples: coexist, codependent, cooperate, copilot
Prefix de-
Meaning: away from; off; down
Examples: debrief, debug, decline, decide
Prefix dia-
Meaning: through; across; between
Examples: diameter, diagonal
Prefix in-, im-
Meaning: in; into; within; not
Examples: introduce; imprision insensitive, impatient, impossible, incomplete
Prefix inter-
Meaning: between; among
Examples: interpersonal, intersect, internet, international
Prefix non-
Meaning: not
Examples: nonprofit, nonfat, nonfiction, nonsense
Prefix post-
Meaning: after; following
Examples: postnasal, postgraduate, postpone
Prefix pre-
Meaning: before
Examples: prepay, preview, pretest, predict
Prefix re-
Meaning: back; backward; again
Examples: reverse, return, recur, recycle, reheat
Prefix sub-
Meaning: under; beneath
Examples: submarine, substandard, subtract, subzero
Prefix syl- , sym-, syn-, sys-
Meaning: together; with
Examples: syllable, symetric, synthesis, system, symbol, symptom
Prefix trans-
Meaning: across
Examples: transplant, translate, transparent, transfer
Suffix - able
Meaning: able; likely
Example: readable, lovable, portable, acceptable
Suffix - ance, - ancy
Meaning: act; quality
Example: admittance, constancy, attendance, tolerance
Suffix - ate
Meaning: to become; to cause ; to be
Example: captivate, activate, cooperate, motivate
Suffix - fy
Meaning: to make; to cause; to be
Example: liquefy, simplify, purify, verify
Suffix - ible
Meaning: able; likely
Example: flexible, digestible, audible, edible
Suffix - ity
Meaning: state; condition
Example: reality, sincerity, ability, humility
Suffix - ize
Meaning: to make; to cause; to be
Example: socalize, motorize, apologize, hypnotize
Suffix - ment
Meaning: result; act of; state of being
Example: judgment, fulfillment, treatment, punishment
Suffix - ous
Meaning: characterized by
Example: dangerous, malicious, generous, infectous
Suffix - tion
Meaning: action; condition
Example: rotation, election, competition, revolution