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
p>
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
p>
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
p>
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:
Advertisement-advertisement
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