A- (or ab-): without or not (amoral, ahistorical, abnormal, atypical)
Ab-: away (absent, abdicate, aberrant, abject)
Ad-: to, forward (advance, admit, adventure, adjust)
Ante-: before (antecedent, antechamber, antebellum)
Anti-: against (antisocial, antipathy, anticlimax, antiestablishment)
Auto-: self (autonomy, autocracy, autodidact, automotive)
Circum-: round, around (circumvent, circumscribe, circumference, circumnavigate)
Com- (or co-/con-): with, together (compact, co-author, conclave, confluence)
Contra- (or counter-): against (contravene, contrary, contrapuntal, counteract)
De-: down, off, reversed (deactivate, deconstruct, descend, derail)
Dia-: through (dialogue, diagnose, diaphanous, dialect)
Dis-: not (disjointed, dissent, disavow, disown)
E-: out of (eject, emit, edict, erect)
En-: put into, cover (envelope, encase, enclose, enlist)
Ex-: out of, from (excavate, extract, exclaim)
Equi-: equal (equidistant, equivocal, equity)
Extra-: above, outside (extraneous, extraterrestrial, extravagant)
Hetero-: different (heterogenous, heterodox)
Homo-: same (homonym, homophone, homogenous)
Hyper-: over (hypersensitive, hyperactive, hyperbolic)
Il-: not (illegitimate, illegible, illegal)
Im-: not (impossible, immoderate, immoral)
In-: in or not (inspect, invisible, incorrect)
Intra-: within (intrastate, intravenous, intracellular)
Inter-: between or among (interstate, international, intervene)
Ir-: not (irresponsible, irreverent, irreligious)
Magni-: large (magnitude, magnanimous, magnificent)
Micro-: small (microscope, microcosm, microwave)
Mis-: wrong (misunderstand, misfit, mismanage)
Mono-: one (monologue, monopoly, monoculture)
Multi-: many (multicolored, multicultural, multiply)
Neo-: new (neophyte, neologism, neonatal)
Non-: not (nonfiction, noncommittal, noncomformist)
Ob-: against (obstruct, obstinate, obdurate)
Over-: too much (overestimate, overkill, overachieve)
Pan-: all (pandemonium, panacea, Pan-African)
Per-: through (pervade, permeate, permit)
Peri-: around (perimeter, pericardium, periscope)
Poly-: many (polyglot, polygon, polycarbonate)
Post-: after (postpone, postlapsarian, postmodern)
Pre-: before (preplan, prewrite, previous)
Pro-: forward (progress, propellant, promote)
Pseudo-: false (pseudonym, pseudointellectual, pseudoscience)
Re-: again or back (revisit, reject, return)
Retro-: backward (retrospective, retroactive, retrograde)
Sub-: under (submerge, submarine, subject)
Super-: over (supernatural, superb, superior)
Sym- (or syn-): with or together (synthetic, synchronize, symphony)
Trans-: across (transatlantic, transform, transport)
Un-: not (unsuccessful, unnerving, unnatural)
Bi-: two (bifocal, bisect, bilateral)
Cent-: 100 (century, centigrade, centimeter)
Dec-: ten (decade, decimal, decalogue)
Hemi-: half (hemisphere, hemitrope)
Kilo-: 1,000 (kilometer, kilogram, kilobyte)
Milli-: 1,000 (millipede, millisecond, millions)
Quad-: four (quadruple, quadrant, quadriplegic)
Semi-: half (semicircle, semiannual, semiformal)
Tri-: three (triangle, trilogy, triple)
Uni-: one (uniform, univocal, unisex)
Suffixes
1) -able: possible to do (believable, adorable, agreeable)
2) -al: like, suitable for (theatrical, regional, emotional, comical)
3) -an: person who identifies with a place or practice (historian, mathematician, Canadian)
4) -ance: state, quality (brilliance, malfeasance, circumstance)
5) -ence: state, quality (permanence, decadence, reticence)
6) -ant: state of being (arrogant, vacant, tolerant)
7) -ar: relating to (solar, muscular, titular)
8) -en: made from (golden, earthen, waxen)
9) -er: more (older, kinder, greater)
10) -fic: characterized by (civic, prophetic, prolific)
11) -id: state, condition (fluid, morbid, lucid)
12) -ible: possible to do (indefensible, discernible, perceptible)
13) -ile: relating to (exile, servile, infantile)
14) -ious: characterized by (studious, nutritious, pious)
15) -ive: relating to (creative, emotive, destructive)
16) -less: without (emotionless, helpless, penniless)
17) -ous: full of (famous, portentous, zealous)
18) -some: tending to (troublesome, wholesome, fearsome)
19) -ward: direction, course (forward, westward, backward)
Common Suffixes Continued—Verbs:
20) -ate: to make (create, generate, liberate)
21) -en: become (weaken, brighten, enlighten)
22) -er: activity, characterized by (decipher, banter, encumber)
23) -ify: make or become (electrify, fortify, exemplify)
24) -ize*: to make or become (dramatize, Americanize, symbolize)
25) -fy: make or become (satisfy, rarefy, stupefy)
Most Common Suffixes in Nouns:
26) -acy: state or quality (immediacy, fallacy, lunacy)
27) -age: condition of being (postage, wreckage, drainage)
28) -ant: person (defendant, entrant, occupant)
29) -ar: person who does (scholar, registrar, bursar)
30) -ary: place where (boundary, library, dictionary)
31) -ation: condition (translation, dedication, radiation)
32) -dom: place or state of being (kingdom, stardom, freedom)
33) -ee: person (trustee, employee, absentee)
34) -ent: person who does (president, student, superintendent)
35) -er: person who does or lives somewhere (teacher, reader, New Yorker)
36) -ice: condition, quality (prejudice, sacrifice, cowardice)
37) -ion: state of being (action, tension, confusion)
38) -ism: act, state, or doctrine (plagiarism, realism, Buddhism)
39) -ist: person who (sociologist, orthodontist, pacifist)
40) -ity: quality, degree, or state (density, musicality, eternity)
41) -ment: state of being (fulfillment, punishment, dissident)
42) -or (person): person who does (conductor, inventor, creator)
43) -or (thing): thing that does (elevator, indicator, reactor)
44) -ory: place for (directory, dormitory, rectory)
45) -tude: condition (solitude, gratitude, attitude)
46) -ty: state, condition (liberty, equality, fraternity)
