List of Common Word Roots

Root Meaning Example
aster, ast star asterisk: a star-shaped mark
audi hear audiology: the study of sound
auto self autodidact: a self-taught person
bene good, well beneficial: having positive effects
biblio book bibliography: a list of books
bio life biosphere: an environment that sustains life
chrono time chronological: in order of time
dict speak contradict: to say the opposite of
fer bear, carry ferry: to take passengers from one place to another
gen birth, race genealogy: family history of marriages, births, and deaths
geo earth geography: the study of features of the earth’s surface
graph write monograph: a written account on a single topic
greg herd, flock congregate: to gather together
jur, jus law jury: a group of people who decide whether someone is innocent or guilty of breaking the law
log, logue thought, word dialogue: words spoken between two people
luc light elucidate: to clarify, to make it possible for someone to “see the light”
manu hand manumit: to deliver by hand
meter, metr measure hydrometer: a device that measures water
mit, mis send transmit: to send across
omni all omnipotent: all-powerful
op, oper work operate: to use, as in machinery
path feel, suffer sympathy: a shared feeling with another
phil loving philosopher: one who loves wisdom
phon sound phonics: a teaching method that focuses on the sounds made by letters and word parts
photo light photosynthesis: the process by which plants use light to generate energy
port carry, bear portable: capable of being carried
psych mind, soul psychosis: a severe mental disorder characterized by loss of contact with reality
scrib, script write manuscript: a document written by hand
sent, sens feel sensation: feeling
soma body psychosomatic: a bodily symptom of a mental activity
tele far off telephone: a device that enables one to hear words spoken by someone far away
ter, terr earth extraterrestrial: a being from another planet
therm heat thermometer: a device that measures temperature
verb word verbose: wordy