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TOEFL Prep
Stems
STEM | Meaning | Example |
---|---|---|
-bio- | life | biology, biodiversity, antibiotic |
-cap-, -capit- | head, chief | captain, capital, decapitate |
-cede-, -ceed-, -cess- | go, move | concede, proceed, success |
-chron- | time | chronicle, anachronism |
-cred- | believe | credit, incredible, creed |
-dic-, -dict- | say, speak | dictator, predict, jurisdiction |
-dorm- | sleep | dormant, dormitory |
-duc-, -duct- | lead | duct, introduce, reduction |
-fact-, -fect- | make, do | factory, manufacture, effect |
-fid-, -feder- | trust, faith | confidence, federation |
-flect-, -flex- | bend | deflect, reflect, flexible |
-geo- | earth | geology, geothermal |
-graph-, -gram- | write, draw | graphic, photography, grammar |
-hydro- | water | hydroelectric, dehydrate |
-log-, -ology- | work, study | logic, catalog, psychology |
-luc-, -lum-, -lus- | light | translucent, illuminate, luster |
-man-, -manu- | hand | manual, manager, manuscript |
-mit-, -miss- | send | transmit, omit, mission |
-mob-, -mot-, -mov- | move | automobile, emotion, remove |
-mort- | death | mortality, immortal, mortify |
-nov- | new | novice, innovation, renovate |
-phon-, -son- | sound | microphone, supersonic |
-polis-, -polit- | city | metropolis, politics, police |
-pon-, -pos- | put, place | postpone, position, deposit |
-port- | carry | portable, reporter, import |
-rect- | right, straight | correct, rectangle, rectify |
-scrib-, -script- | write | describe, script, inscription |
-secut-, -sequ- | follow | consecutive, sequence |
-spec-, -spect- | look at, see, observe | spectator, spectacle, inspector |
-struct- | build | structure, instruct, destructive |
-therm- | heat | thermometer, hypothermia |
-ven-, -vene- | come | convention, intervene |
-ver- | true | verify, conversation, universal |
-vid-, -vis- | see | video, visit, invisible |
-viv-, -vita- | alive, life | vivid, revive, vitamin |
-voc-, -vok- | call, voice | vocal, vocabulary, revoke |