Root Words - Definition and List of Root Words with Meanings - Word Coach (2024)

Root Words

Have you ever encountered a new word and struggled to decipher its meaning? Well, understanding root words can be your secret weapon for unlocking the mysteries of vocabulary!

What are Root Words?

Root words are the fundamental building blocks of many English words. They carry the core meaning, and prefixes and suffixes (affixes) are often attached to them to create new words. Imagine them as the foundation upon which a whole family of words is built.

Why are Root Words Important?

Knowing root words offers a plethora of benefits:

  • Vocabulary Expansion: By understanding the meaning of a root word, you can guess the meaning of unfamiliar words that share the same root.
  • Stronger Reading Comprehension: Root words can help you connect seemingly unrelated words within a text, leading to a deeper understanding of the passage.
  • Improved Spelling: Recognizing root words can solidify your grasp of spelling patterns, making you a more confident writer.

Root Words Examples (Root Words List)

Here’s a list of 100+ root words, each with its meaning and examples of words derived from them.

aqua (water) – aquarium, aquatic, aquifer

astro (star) – astronaut, astronomy, astrophysics

bio (life) – biology, biography, biosphere

chron (time) – chronological, chronicle, synchronize

cred (believe) – incredible, credible, credit

dict (say) – dictionary, predict, contradict

duc/duct (lead) – conduct, induce, ductile

fer (carry) – transfer, ferry, refer

form (shape) – transform, reform, uniform

geo (earth) – geography, geology, geocentric

graph (write) – graphic, autograph, biography

hydr (water) – hydrate, hydraulic, dehydrate

ject (throw) – eject, inject, projection

log/logue (word) – dialogue, monologue, logic

manu (hand) – manual, manuscript, manufacture

meter/metr (measure) – thermometer, diameter, metric

mit/mis (send) – transmit, missile, emit

morph (shape) – metamorphosis, amorphous, morphology

narr (tell) – narrate, narrative, narrator

path (feeling) – empathy, sympathy, pathology

phon (sound) – telephone, phonograph, symphony

photo (light) – photograph, photosynthesis, photogenic

port (carry) – transport, portable, import

rupt (break) – rupture, interrupt, erupt

scribe/script (write) – describe, manuscript, inscribe

sect (cut) – section, dissect, intersection

spect (see) – inspect, spectacle, spectator

struct (build) – construct, structure, instruction

tele (far) – telephone, telescope, television

terr (earth) – terrain, territory, terrestrial

therm (heat) – thermometer, thermal, thermos

tract (drag, pull) – tractor, attract, subtract

vac (empty) – vacuum, vacant, evacuate

vid/vis (see) – video, vision, visible

volv/volut (roll) – revolve, revolution, evolution

biblio (book) – bibliography, bibliophile, bible

cardi (heart) – cardiac, cardiologist, cardiogram

carn (flesh) – carnivorous, incarnate, carnal

cede/ceed (go) – proceed, recede, exceed

cide (kill) – homicide, suicide, pesticide

clam/claim (shout) – exclaim, proclaim, clamor

clud/clus (close) – include, exclude, conclude

cosm (world, universe) – cosmic, cosmopolitan, microcosm

crat/cracy (rule) – democrat, aristocracy, bureaucracy

dem (people) – democracy, epidemic, demography

derm (skin) – dermatologist, epidermis, hypodermic

dom (home) – domestic, domain, domicile

dorm (sleep) – dormitory, dormant, dormancy

dyna (power) – dynamic, dynamite, dynasty

ego (self) – ego, egocentric, egotistical

fac (make, do) – factory, manufacture, benefactor

fin (end) – final, infinite, finish

flect/flex (bend) – reflect, flexible, deflect

fract/frag (break) – fracture, fragment, fragile

gen (birth, race) – generation, genetic, genesis

grat (pleasing) – grateful, gratitude, congratulate

grav (heavy) – gravity, grave, aggravate

hemi (half) – hemisphere, hemicycle, hemiplegia

hom*o (same) – hom*ogeneous, hom*onym, hom*ogenize

hypo (under) – hypodermic, hypothermia, hypothesis

iso (equal) – isosceles, isobar, isothermal

jur/jus (law) – jury, justice, jurisprudence

lab (work) – laboratory, elaborate, collaborate

liber (free) – liberty, liberate, liberal

lith (stone) – monolith, lithograph, megalith

luc/lum (light) – lucid, illuminate, translucent

magn (great) – magnify, magnificent, magnitude

mal (bad) – malicious, malevolent, malfunction

mar (sea) – marine, submarine, mariner

medi (middle) – medium, median, medieval

mega (large) – megaphone, megabyte, megastar

micro (small) – microscope, microbe, microcosm

min (small, less) – minimum, minor, minuscule

mono (one) – monopoly, monologue, monogamy

multi (many) – multiple, multimedia, multiply

neo (new) – neoclassical, neonate, neonatal

ocul (eye) – ocular, oculist, binocular

onym (name) – synonym, antonym, pseudonym

ortho (straight) – orthodontist, orthodox, orthopedic

pan (all) – panoramic, pandemic, pantheon

pater/patr (father) – paternal, patriot, patron

pend (hang) – pendulum, suspend, append

phil (love) – philosophy, philanthropy, bibliophile

phys (nature) – physical, physician, physics

psych (mind) – psychology, psychic, psychoanalysis

rupt (break) – disrupt, bankrupt, abrupt

san (health) – sanitary, sanity, sanitize

sci (know) – science, conscious, omniscient

soph (wisdom) – philosopher, sophisticated, sophom*ore

spir (breathe) – inspire, respiration, spirit

stell (star) – stellar, constellation, interstellar

tact/tang (touch) – contact, tangible, tactile

tempor (time) – temporary, contemporary, temporal

ten (hold) – tenacious, tenant, detention

urb (city) – urban, suburb, urbane

This is just a glimpse into the vast world of root words. By familiarizing yourself with more roots and their meanings, you’ll be well on your way to becoming a vocabulary whiz!

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Root Words - Definition and List of Root Words with Meanings - Word Coach (2024)

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