100 + Latin & Greek Root Words 

The table on this page lists over 100 root words. It gives their meanings, examples of English words made from them, and the pages on EnglishHints where you can study and practice them.

This table also serves as an index to the pages where you can learn English words from Latin and Greek roots. 

More than 80 of these roots are from Latin. (Many are from Latin via French-- the biggest source of English words after Old English).

The root words that come from Greek have an asterisk (*) in front of them. (Many Latin words also originally came from Greek. These are the ones that came more directly, or kept their Greek form.)

How Root Words Can Help You Learn English 

Image of a tree with roots, & text: "Over 100 Greek & Latin roots with meanings, examples, & links to pages to study & practice them."

Recognizing word roots can increase your reading comprehension as well as your vocabulary. 

I started the roots and prefix section of EnglishHints after noticing how much important vocabulary comes from a fairly small group of Latin roots.

(They dominate the Academic Word List and lists of frequent TOEFL words. Many are quite common in non-academic writing as well.)

If you know prefixes and a root’s meaning, you can often guess unknown English words that come from that root.

A few of the most common prefixes and their meanings are listed below, to help you figure out word meanings.

You can also check the List of Prefixes for a more complete list. (Greek and Latin Prefixes has a reverse list alphabetized by their meanings in English.)

         PrefixMeaning

  • ad- (or a-): toward
  • ab- : away from
  • com-/con-/co- : with
  • ex- (or e-) : out
  • in-, im-, il- : in, inside, OR not (Inactive means not active; immobile means not moveable)
  • pre-: before
  • pro-:  forward
  • post- : after, behind
  • re-: again or backward
  • sub-:  under
  • trans-: across or through
  • un-: not

For example, the Latin root cedere (and its English forms -cede, –ceed, or -cess) mean to go. The root gradi (-gress) means to step.

So the English word precede means to go before. Process (& procedure) are the way to do something-- to cause it to go forward. A procession is (a lot of people) going forward. Progress and progression are forward steps, Recede, recession,  regress, and regression all refer to going backward.

How to Decode New English Words

The root words table below can help you decode English words you don’t know. (To decode can mean to translate a secret code into ordinary speech. It also means to look at the pieces of a word to figure out its possible meaning.)

To decode an English word, drop its prefixes and suffixes to find its root. (Take away the prefixes above and any others you recognize. Also remove word endings like -ing, -tion, -ly, -ment, or –ness.) So the root of ‘demobilize’ is ‘mobil(e),’ and the root of ‘extractible’ is ‘tract.’

Then check this table to find the root word’s meaning and pages to practice it and learn other, related words. (Many of those pages also explain meanings that have moved away from the root meaning over time.)

Root Form & Spelling Differences

You might notice that some roots have several forms. I’ve tried to put the variant English forms in parentheses when they are quite different.

For example, the Latin root videre, to see, has English derivatives like ‘video’ and ‘evidence.’  But it also has ‘visual’ and ‘invisible’—from another form (the past participle) of videre. So after videre I added (vis). 

Claudere (to close) is the root of include, inclusive, exclude and exclusive. I added (clus) after the verb name so you can see the second common base form. Pellere-- to drive-- often has a base form (puls). It’s the root of impel, impulse, repel, and repulsive, among others.

Vowels also often change. Au turns to u in claudere, above. Ae changes to e (or i) in aequare (equal, equity, and iniquity) or quaerere (quest,  inquire, and inquisitive.)

Page Abbreviations: find practice pages

Root Words, Meanings,
Examples, & Practice Pages

A - D

ROOT & MEANINGEXAMPLESPAGES:
actum- an actaction, interactive50, WFam
aequus (eq)- equalequate, equinox50
ambiguous- uncertainambiguous, ambiguityCls,G+L
*analogia- similar proportionsanalogous, analogyCls
*analysis- separation into partsanalytical, analyzeCls
*anthropo- man, humananthropoid, anthropologyGk
audire- to hearaudition, inaudible,Sense
*bios-lifebiologist, biosphereGk.
caedere (cid)-to cut or killaccidental, suicide50+pr
cedere (cess)- to go or yieldconcede, successImp, Cls
centrum- centerconcentrate, geocentricG+L
*chrono- timeanachronism, chronologicalGk
civilis- related to citizenscivic, civilizationCls
clamare- to shoutclaim, proclamation50
classis- class, groupclassic, classificationCls
claudere (clus)- to shut or close,claudication, exclusive50+pr
clinare- to leandeclining, inclined50+pr
comparare- to place togethercompare, comparisonComp
crescere- to growcrescent, decreasing50
*cris, crit- to judge or decidecritic, hypocriticalGk
currere- to runcourse, currency, recur50
dicere- to saydictionary, verdict50+mt
differre- to set apartdifference, indifferentComp
distinguire- to separate betweendistinction, indistinctComp
dominari- to ruledomination, predominantCls,G+L,Pow
domus- home, housedomain, domesticPower
ducere- to leaddeduction, induceImp*
durare- to harden or to lastduration, endurance50

* Remember, you can find the practice page names and links on the pink page abbreviations' list just above the table. 

F - L

facere (fect, fi)- to makeartificially, effective50
ferre- to bring, carryconifer, inference50+pr
finis- end, limitdefinitive, infinite50+pr+mt
firmare- to make firmaffirmation, infirmity50
flare (flat)- to blowdeflation, inflate50
flectere (flex)- to bendflexible, reflectionMot
fligere (flict)- to hit (someone)afflicted, conflicting50
fluere- to flowaffluence, fluent50
formare- to shapeform, conform, reformation50
fundere (fus)- to melt or pourconfound, infusion50
*geo- earthgeologist, geographyGk
gradi(gress)to stepgradual, progress50
*graphein- to writeinfographic, phonographGk
gregare- to herdcongregate, segregation50
haerere- to attachadhesions, coherent50+mt
*ideologia- study of ideasideological, ideologueGk, Cls
integrare- to make wholedisintegration, integrity50+mt
jactare (ject)- to throwdejection, projectile50+pr
jungere (junct)- to connect or joindisjunction, juncture50
labor- workcollaboration, laboratory50
latus- side, broadequilateral, latitude50
legis- lawillegally, legitimize50+pr
locus- placeallocation, relocate50+pr+mt
*logo- word or thoughtlogical, psychologistGk,Cls,G+L

M - R

mandare- to commandcommander, demanding50
mergere- to dip in wateremerge, immerseG+L
*metron- measurecentimeter, odometerGk
miles- soldiermilitant, militiaCls
*morpho- shapemetamorphic, morphemeGk
movere (mob/mot)- to movemotivate, mobile, removeMot
norma- carpenter’s squareabnormality, normCls,G+L
*patho- suffering, diseaseapathy, pathologyGk
pedis- footexpedite, pedestrian50
pellere (pulse)- to driveimpel, pulse, repellantMot
*philo- love ofphilanthropy, pedophileGk,Cls,G+L
*phobia-fearacrophobia, phobicGk
physica- study of naturephysical, physicsG+L
*phone- soundcacophony, stereophonicGk
*photo- lightphotocopy, photovoltaicGk
plicare, to foldcomplicity, replica50+pr
*polis- citymetropolitan, politicsGk
ponere (pos)- to put or placedecomposed, postponePon
portare- to carrydeportation, supporter50
pressare- to push againstimpression, press, suppressMot
*psyche- soulpsychopathyGk
quaerere (quir, ques)- to look for (seek)inquiry, quest, requireImp
rationalis- related to reasonirrational, rationalityG+L
rectus- right, straightcorrectible, rectitude50
ruptus- brokendisrupt, incorruptible50

S - V

*scope- to look atmicroscopic, telescopeGk,G+L
scribere (scrip)- to writedescribe, inscription50+mt
secures (sur)- safesecurity, reassurance50
sensus- senseinsensitive, sensorySense
sequi- to followconsequence, sequential50+mt
servare- to protectconservation, preservative50
signare- to make a markdesignate, significant50+mt
similis (sem)- alikeresemblance, similarComp
sistere- to stand upconsistency, persistG+L
*sofia (soph)- wisdomphilosophical, sophistryCls
solvere (solu)- to loosendissolve, resolute, solution50
specere (spic)- to look atconspicuous, suspiciousSense
spectare- to watchintrospection, spectatorSense+mt
*sphere- ballatmospheric, biosphereGk
spirare- to breatheaspiration, inspiring50
statuere (stit)- to set (up)constitute, institution50+pr
struere- to buildconstructive, destroy50
sumere- to takeconsumer, presumptuousCls
tangere (tact)- to touchattainment, intact, tangibleSense+mt
*techno- art, skilltechnical, technologistsGk
*tele- fartelepathy, televisionGk
tendere (tens)- to stretchdistention, extensiveMot
tenere (tain)- to holdcontainer, tenaciousImp
terminus- boundary or endterm, termination50
testari- to bear witnessattestation, testator50
*theoria- look at, think abouttheoretical, theoryCls, G+L
*thermo- hotthermometer, thermosGk
*thesis- a propositionhypothetical, syntheticGk,G+L
torquere (tort)- to twistdistortion, tortuous50+pr
trahere (tract)- to pullattraction, extractMot
tribuere- to divide among, paydistribution, tributary50+pr
turbare- to troubledisturb, turbulent50
venire- to comeevent, preventionImp
vertere (vers)- to turnconversion, invertedImp
videre (vis)- to seeevidence, invisible, visionSense
vocare- to calladvocate, vocalimp
volvere- to turn arounddevolve, revolt50+pr

Go to the list of abbreviations and page links if you want to practice any root.

Roots, Prefixes, and Suffixes  has links to all the root words’ explanation and practice pages. It also links to prefix and suffix lists. If you would like to study the roots that contribute the most to English, start with:  

Photo of a soccer game with two opposing teams

So many English words come from the Latin root ponere (pon- or pos-) For example: The opposing team imposed their will until they exposed their weakness.

Picture of sunflowers with text: Words from the Latin roots for bending & stretching: deflect, flexible, & reflection, attentive (stretching toward someone), distended, extend, & tension...

More English roots-- from Latin verbs of motion: attract (pull towards), & retract from the Latin root meaning 'pull;'  compel, compulsive, expel, & repulsive from the root for 'driven'-- and more.

picture of an old Greek temple (the Parthenon)

Learn and practice the Greek roots most commonly used in English (from tele: far and graph: writing to psych: soul and logy: study of). 

If you're interested in teaching roots, check out the inexpensive lessons and practice activities on Root, Prefix, and Suffix Worksheets.

HomeRoots, Prefixes, and Suffixes> Latin & Greek Root Words.


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