root
the form of a word after all affixes are removed
affix
an additional element placed at the beginning or end of a root, stem, or word, or in the body of a word, to modify its meaning
prefix
an affix places before a word, root, or another prefix to modify a term’s meaning
suffix
an affix added to the end of a word or root, serving to form a new word functioning as an inflectional ending
a/an (ex: atypical)
not, without; unusual or irregular
ambi, amphi (ex: ambiguous)
around, both
ann, enn (ex: annual)
year
able/ible (ex: acceptable)
capable
aer (ex: aerodynamic)
air
alter (ex: alternate)
other
anthrop (ex: anthropology)
human
ante/anti (ex: antecedent)
before
anti (ex: antisocial)
against/opposite
apt (ex: adapt)
fit/join
aud (ex: audible)
hear
auto (ex: autopilot)
self
bell (ex: rebel)
war
bene (ex: benefit)
good
bi (ex: biannual)
two/twice
biblio (ex: bibliography)
book
bio (ex: biology)
life
cede/ceed (ex: suceed)
go
chrono (ex: chronic)
time
cide (ex: homicide)
death
circum (ex: circumference)
around
cogn (ex: recognize)
to know
co/con/com (ex: community)
with/together
contra/o (ex: contrast)
against
counter (ex: counterargument)
opposite
cracy (ex: democracy)
government
cred (ex: credible)
trust/believe
cur (ex: current)
run
de (ex: descend)
down/remove
dem/demo (ex: demographic)
people
dict (ex: dictate)
say
dis/dys/dif (ex: differ)
not/negative
duct (ex:induction)
lead
ego Iex: egotistical)
self
equi (ex: equation)
equal
eu (ex: euphoria)
good/well
e/ex (ex: ex-boyfirend)
former/out
extra/extro (ex: extravagant)
outside/beyond
fid (ex: confidant)
trust/faith
fin (ex: finite)
end
fore (ex: forecast)
in front of/before
fract/frag (fracture)
break
gen (ex: generation)
birth
geo (ex: geography)
earth
graph/gram (ex: biography)
write
grat (ex: grateful)
pleasing
grad/gress (ex: progress)
to step
hetero (ex: heterogeneous)
different
hydra (ex: hydration)
water
hyper (ex: hyperactive)
over
hypo (ex: hypothermia)
under
il/im/in/ir (ex: insensitive)
not
inter (ex: intermission)
between
intra/o (introspective)
within
ject (ex: reject)
throw
jud (ex: judge)
law
junct (ex: junction)
join
juven (ex: juvenile)
young
kilo (ex: kilometer)
thousand
lab (ex: laborious)
work
liber (ex: liberty)
free
log/loc (ex: logic)
words/speech
luc/lum (ex: illuminate)
light