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A summary of common root words of high school English words

ag, act do, drive agent agent active activity, active

agr farmland agricultural agriculture agrarian field

am love, dear amicable friendly amiable amiable

anim mind, spirit, life animal animal animate animate

ann, enn annual year centennial first century

astro star astronomy astronomy astronaut astronaut

audi listen audience audible audible

bell war rebel rebel, rebel bellicose bellicose

bio life, biology biology biology antibiotic antibiotic, antibiotic

brev short brevity short abbreviate shortened, abbreviated

cred believe credibility credible credit trust

cur, cours run ccurrence appear , the occurrence of current circulation

Cycl circle, ring bicycle bicycle cyclone cyclone

Di diary diary diarist diary reporter

dict say predict prophecy indicate

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 duc, duct guide conduct guide induce inducement

ed eat edible edible edacity gluttony

fact make, manufacture factory factory manufacture manufacturing, processing

fer belt, take transfer ferry ferry

flu flow fluent fluent influenza influenza

form form, shape transform change formula formula

fract , frag broken, broken fragment fragile fragile

fus pour, pour, melt fusion melt effuse ejaculate

gen origin generate generate genetic heredity

geo earth, land geography geography geology geology

grad step, walk, grade-gradual graduate graduation

gram write, record diagram program program list, plan

graph write, draw, record photograph autograph handwriting, manuscript

gress walk progress retrogress retreat

hap chance, luck, accidental mishap disaster

hospit guest hospital hospital hospital hospitable, attentive

insul island peninsula peninsula insulation isolated, isolated

hydra water hydraulic water conservancy hydrant fire hydrant

ject throw, throw, throw eject to shoot proj

ect projection

junct connection, combined with conjunction connective adjunct appendage

lect, leg, lig selection, collectionlect election selection election eligible qualified, suitable

lev lift, lift elevator elevator lever lever

liber free liberate liberalist liberal

lingu language linguist linguist bilingual two languages

liter Text, letters literate literacy literature

loc place local local locate located at

log words, language, speech dialogue dialogue logic logic

loqu speak eloquent eloquent colloquial spoken, conversational

manu handmanuscript manuscript manual hand, hand

medi middle medium medium mediation mediation

memor memory, remembered memory memorial anniversary, memorial

milit soldier military military militant combat.

min less, small inority minority diminish decrease, reduce

Mob, mot, mov mobile mobile motion immovable immovable

mort death mortal mortician undertaker

nov new novel novel novelty novelty

numer number numeral number numerous numerous

oper work operate co?operate cooperation

opt sight, light optic vision optics optics

path emotion, pain, disease sympathy pathetic

pel push, expel, expel repel repel, counterattack, resistance

pend, pen Suspension depends on pendent suspended

phon sound microphone loudspeaker telephone telephone

plen full, full abundance, plenty plenty plenty, plenty

pon, pos Place postpone to postpone position

sens, sent feeling sensation feeling sentimentment emotion

sol sun solar parasol parasol

spec see spectacle scene, scene prospect prospect

spir breath, life conspire*** plan inspire inhale, inspire

tact, tang, tag contact intact untouched tangible touchable

tail cut , cut tailor, retail, retail

tain, ten, tin, hold, hold, contain contain

accommodate obtain, sustain support

tect cover, detect, detect, detect detective

tele far telescope telescope telegram telegram

tend, tens, tent stretch extend, extend extensive

Extended information: noun changes

(1) -ence, nouns ending in -ance:

exist exist-existence

occur occur-occurrence

consult/refer to refer-reference

prefer/prefer prefer-preference

Different difference-difference

Accept-acceptance

Appearance/appearance

Perform-performance

Resist- resistance

guide-guidance

enter-entrance

insurance insurance-insurance

help assist-assistance

 Endure-endurance/tolerate-tolerance

(2) -tion, nouns ending in -sion:

Production produce-production

Introduction to introduce- introduction

Consumption consume-consumption

Reduce-reduction

Think/assume assume-assumption/suppose-supposition

Destroy- destruction

describe-deion

interrupt-interruption

adopt/adopt adopt-adoption

prevent prevent-prevention

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Receive-reception

Solve-solution

Evolve-evolution

Suggest-suggestion

 edit/version edit-edition

?exhibit-exhibition

?intend-intention

?recognize-recognition

Explanation/define define-definition

Protection protect-protection

Direction/guidance direct-direction

Instruction instruct-instruction

Construction construct-construction

injection-injection

infection-infecti

on

Refute reject-rejection

Object-objection/oppose-opposition

Connect connect-connection

Collect collect-collection

Correction correct-correction

Inspection-inspection

Starve-starvation

Organize-organization

Civilize-civilization

Cognition realize-realization

Examination-examination

Determination determine-determination

Form-formation

inform-information

imagine imagine-imagination

transport transport-transportation

invite invitation-invitation

Expect expect-expectation

Tempt-temptation

Adapt/adapt adapt-adaptation

Immigrate immigrate-immigration

Imitate imitate- imitation

Prepare-preparation

Explore-exploration

Consider-consideration

Announce declaration-declaration

Decorate-decoration

Inspire-inspiration

Relax-relaxation

Communicate-communication

Occupy/occupation occupation-occupation

Satisfy satisfy-satisfaction

Apply, apply apply-application

Imply imply-implication

Recommend -recommendation

Interpret-interpretation

Combine-combination

Operation, operation operate-operation

Hesitate-hesitation

educate-education

locate-location

point out indicate-indication

participate-participation

Calculate calculate-calculation

Appreciate, appreciate appreciate-appreciation

Association, association associate-association

Separate separate-separation

Hibernate-hibernation

Compensate-compensation

Investigation investigate-investigation

Celebrate-celebration

Congratulate-congratulation

Translate translate-translation

Accumulate accumulate-accumulation

Accelerate-acceleration

Donate-donation

Liberate-liberation

Motivation-motivation

Innovation innovate -innovation

Concentrate-concentration

Demonstration-demonstration

Contribution-contribution

Distribute distribution-distribution

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Promotion promotion-promotion

Devote-devotion/dedicate-dedication

Frustrate-frustration/depress-depression

Impression impression-impression

Express-expression

Possess-possession

Discussion-discussion

Expand-expansion

extend extend-extension

admit admit-admission

allow permit-permission

emit-emission

explode explode- explosion

conclude-conclusion

decision-decision

divide-division

confuse-confusion

(3) Nouns ending in –ment:

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Agree-agreement

Amaze-amazement

Disappointmentdisappoint-disappoint

ment

Employment, employment employment-employment

Encouragement-encouragement

Entertainment, entertainment entertainment-entertainment

Equipment equipment-equipment

govern-government

improve-improvement

invest-investment

involve involve-involvement

Management management-management

Punish-punishment

Requirement-requirement

Retirement-retirement

Settlement settlement- settlement

State-statement

Treat, entertain, treat treat-treatment

Base-basement

sidewalk pave-pavement

(4) Nouns ending in –ness:

adj.-n.

Consciousness aware-awareness/conscious-consciousness

bitter-bitterness

blind-blindness

calm-calmness

clever-cleverness

crazy -craziness

eager-eagerness

fair-fairness

foolishness-foolishness

fit-fitness

Happiness, happiness-happiness

Ill-illness

Kind-kindness

Lazy-laziness

Loneliness lonely-loneliness

quiet-quietness

sad-sadness

serious-seriousness

sweet-sweetness

p>

Stability-steadiness

Thick-thickness

Tired-tiredness

Weakness weak-weakness

Cold cold-coldness

nervous-nervousness

homesick-homesickness

careless-carelessness

selfish-selfishness

Selfless-selflessness/unselfish-unselfishness

Helpless-helplessness

Hopeless-hopelessness

(5) Nouns ending in age:

Marriage marriage-marriage

Short-shortage

Store-storage

Pack-package

Carry-carriage

Pass-passage

(6) Nouns ending in –th:

Warm-warmth

Truth true-truth

Death dead-death

Growth grow-growth

(7) Nouns ending in –ure:

please-pleasure

leave part-departure

expose -exposure

press-pressure

fail-failure

mix-mixture

sign-signature

(8) Nouns ending in –ce:

adj.-n.

absent-absence

present-presence

Confidenceconfident-confidence

Convenient-convenience

Different-difference

Diligent-diligence

Far, distance distant-distance

Obvious, evidence evidence-evidence

Excellent-excellence

Important important-importance

Independent- independence

innocence-innocence

intelligence intelligence

just-justice

patient-patience

Romantic-romance

Silent-silence

Violent-violence