Adult Yak Yacker exploring English root words and prefixes in an old printmaker’s studio.

English Root Words and Prefixes Free PDF and Flashcards

English vocabulary can feel like a giant, messy pile of bricks. But root words and prefixes? They’re the mortar that holds it all together. Once you know a handful of building blocks, you can guess meanings, spot patterns, and stop memorizing long lists from scratch.

We kept the explanations short and the examples practical because nobody needs a dictionary novel. Work through a few roots a day, listen to the audio, and watch your vocabulary muscle grow without the usual pain.

Ready for a quick word-building adventure? Scroll to the bottom of the article to grab the free printable English root words and prefixes vocabulary list PDF and the free downloadable printable English root words and prefixes flashcards.

Roots are powerful, but you also need chunks you can actually say. Our free English lessons break real-life phrases into small, speakable pieces — with audio and practice built in. If you’re just starting out, Lesson 1 is a no-pressure way to get talking.

Root Words and Prefixes Quiz

Ready to check your root radar? The vocabulary quiz below is a quick, friendly test — see how many prefixes and meanings you’ve picked up.

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English Root Words and Prefixes List

RootIPAMeaningExamples
en, in/ɛn, ɪn/inside, inwardsenvision, enclose, include, insert, inject, inspire, invade
endo/ˈɛndoʊ/within, insideendotherm, endocrine, endogamy, endoscope, endoskeleton, endocytosis, endorphin, endogenous
enn/i, anni/ɛn, ˈæni/yearsbicentennial, centennial, perennial, anniversary, annual, millennium, decennial
ep/i/ˈɛpɪ/on, upon, over, among, at, after, to, outsideepidemic, epilogue, epicenter, episode, epigraph, epidermis, epiphyte, epiphany
equ/i/ˈikwɪ/equal, equallyequidistant, equanimity, equation, equal, equity, equivalent, equator, equilateral
erg/o/ˈɜrɡoʊ/workergonomics, energy, energetics, erg, synergy, ergometer, ergative
esth/aesth/ɛsθ, iːsθ/feeling, sensation, beautyesthetician, aesthetic, kinesthesia, anesthesia, anesthetist, esthetic, synesthesia
ethno/ˈɛθnoʊ/race, peopleethnic, ethnocentric, ethnology, ethnography, ethnicity, ethnobotany, ethnologist
eu/juː/good, welleuphemism, euphonious, euphoria, eulogy, euthanasia, euphony, eureka
ex/ɛks/ or /ɪɡz/ before vowel (as in exert)from, outexcavate, exhale, extract, exclaim, exclude, exhume, exit
extra, extro/ˈɛkstrə, ˈɛkstroʊ/outside, beyondextraordinary, extraterrestrial, extrovert
fac/t/fækt/make, dofactory, artifact, malefactor, manufacture, factor, facsimile, facilitate
fer/fɜːr/bear, bring, carrytransfer, confer, ferry, differ, offer, refer, infer
fid/fɪd/faithconfide, fiduciary, infidel, fidelity, confident, diffident
flect/flɛkt/benddeflect, inflection, flexible, reflect, genuflect, circumflex
flor/a, fleur/ˈflɔrə, flɜr/flowerflorist, floral, flora
for/fɔːr/completely (used to intensify the meaning of a word)forgive, forget, forsake, forfeit, forlorn, forbear
fore/fɔːr/in front of, previous, earlierforecast, forehead, foresight, foretell, foreword, forefront, forefather
form/fɔːrm/shapeformation, reform, conformity, form, deform, transform, formal
fract, frag/frækt, fræɡ/breakfracture, fragile, fragment
fug/fʌɡ/flee, run away, escapefugitive,refuge,refugee,fugacious,subterfuge
funct/fʌŋkt/perform, workdefunct,function,malfunction,functional,dysfunctional
fus/fjuːs/pourconfusion,fuse,infuse,diffuse,effuse,profuse,suffuse,transfuse
gastr/o/ˈɡæstroʊ/stomachgastric,gastronomy,gastritis,gastroenteritis,gastropod
gen/o/e/ genesis/dʒɛn/birth, production, formation, kindgeneration,genetics,genealogy,genesis,genocide,gender,gene,generate

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