Here’s a helpful list of prefixes, suffixes, and roots. How many do you already know? How many are brand new to you?

Common Prefixes: Prefixes are syllables that precede the root or stem of a word and change or refine its meaning.

ab, abs: from, away from
ambi: both
an, a: without
ante: before
anti: against, opposite
arch: chief, first
bi: two
cata: down
circum: around
com (co, col, con, cor): with, together
contra, contro: against
de: down, away
di: two
dia: across
dis: not, apart
dys: faulty, bad
ex, e: out
extra, extro: beyond, outside
hyper: above; excessively
hypo: beneath; lower
in (il, im, ir): not
in (il, im, ir): in, on, upon
inter: between, among
intra, intro: within
macro: large, long
mega: great, million
meta: involving change
micro: small
mis: bad, improper
mis: hatred
mono: one
multi: many
neo: new
non: non
pan: all, every
per: through, completely
peri: around, near
poly: many
post: after
pre: before
prim: first
pro: forward, in favor of
proto: first
pseudo: false
re: again, back
retro: backwards
se: away, aside
semi: half, partly
sub (suc, suf, sug, sup, sus): under, less
super, sur: over, above
syn: (sym, syl, sys): with, together
tele: far
trans: across
ultra: beyond, excessive
un: not
under: below
uni: one
vice: in place of
with: away, against

Common Suffixes: Suffixes are syllables that are added to a word. Occasionally, they change the meaning of the word; more frequently, they serve to change the grammatical form of the word (noun to adjective, adjective to noun, noun to verb).

able, ible: capable of (adjective suffix)
ac, ic: like, pertaining to (adjective suffix)
acious, icious: full of (adjective suffix)
al: pertaining to (adjective or noun suffix)
ant, ent: full of (adjective or noun suffix)
ary: like, connected with (adjective or noun suffix)
ate: to make (verb suffix)
ation: that which is (noun suffix)
cy: state of being (noun suffix)
eer (er, or): person who (noun suffix)
escent: becoming (adjective suffix)
fic: making, doing (adjective suffix)
fy: to make (verb suffix)
iferous: producing, bearing (adjective suffix)
il, ile: pertaining to, capable of (adjective suffix)
ism: doctrine, belief (noun suffix)
ist: dealer, doer (noun suffix)
ity: state of being (noun suffix)
ive: like (adjective suffix)
ize, ise: make (verb suffix)
oid: resembling, like (adjective suffix)
ose: full of (adjective suffix)
osis: condition (noun suffix)
ous: full of (adjective suffix)
tude: state of (noun suffix)

Common Roots and Stems: Roots are basic word elements that have been carried over into English. Stems are variations of roots brought about by change in declension or conjugation.

ac, acr: sharp
aev, ev: age, era
ag, act: do
agog: leader
agri, agrari: field
ali: another
alt: high
alter: other
am: love
anim: mind, soul
ann, enn: year
anthrop: man
apt: fit
aqua: water
arch: ruler, first
aster: star
aud, audit: hear
auto: self
belli: war
ben, bon: good
biblio: book
bio: life
breve: short
cad, cas: to fall
cap (capt, cept, cip): to take
capit, capt: head
carn: flesh
ced, cess: to yield, to go
celer: swift
cent: one hundred
chron: time
cid, cis: to cut, to kill
cit, cita: to call, to start
civ: citizen
clam, clamat: to cry out
claud claus, clos, clud): to close
cognosc, cognit: to learn
cord: heart
corpor: body
cred, credit: to believe
cur: to cure
curr, curs: to run
deb, debit: to owe
dem: people
derm: skin
di, diurn: day
dic, dict: to say
doc, doct: to teach
domin: to rule
duc, duct: to lead
dynam: power, strength
ego: I
erg, urg: work
err: to wander
eu: good, well, beautiful
fall, fals: to deceive
fer, lat: to bring, to bear
fid: belief, faith
fin: end, limit
flect, flex: bend
fort: luck, chance
fort: strong
frag, fract: break
fug: flee
fus: pour
gam: marriage
gen, gener: class, race
grad, gress: go, step
graph, gram: writing
greg: flock, herd
it, itiner: journey, road
jac (jact, ject): to throw
jur, jurat: to swear
labor, laborat: to work
leg (lect, lig): to choose, to read
leg: law
liber, libr: book
lber: free
log: word, study
loqu, locut: to talk
luc: light
magn: great
mal: bad
man: hand
mar: sea
mater, matr: mother
mit, miss: to send
mob (mot, mov): move
mon, monit: to warn
morit, mort: to die
morph: shape, form
mut: chance
nat: born
nav: ship
neg: deny
nomen, nomin: name
nov: new
omni: all
oper: to work
pac: peace
pass: feel
pater, patr: father
path: disease, feeling
ped, pod: foot
ped: child
pel, puls: to drive
pet, petit: to seek
phil: love
pon, ponsit: to place
port, portat: to carry
poten: able, powerful
psych: mind
put, putat: to trim, to calculate
que (ques, quir, quis): to ak
reg, rect: rule
rid, ris: to laugh
rog, rogat: to ask
rupt: to break
sacr: holy
sci: to know
scop: watch, see
scrib, script: to write
sect: cut
sed, sess: to sit
sent, sens: to think, to feel
sequi (secut, seque): to follow
solv, solut: to loosen
somn: sleep
soph: wisdom
spec, spect: to look at
spir: breath
string, strict: bind
stru, struct: build
tang (tact, ting): to touch
tempor: time
ten, tent: to hold
term: end
terr: land
therm: heat
tors, tort: twist
tract: drag, pull
trud, trus: push, shove
urb: city
vac: empty
vad, vas: go
veni (vent, ven): to come
ver: true
verb: word
vers, vert: turn
via: way
vid, vis: to see
vinc (vict, vanq): to conquer
viv, vit: alive
voc, vocat: to call
vol: wish
volv, volut: to roll

via Educare Tutorial