备考托福雅思常用词根

2021年1月24日发(作者：碱性)
词根

-alter-/-ali-
“other”

alter
alternative
altruism
alien

-am-
“ to love”

amiable
amateur
amour

-anim-
“breath, soul”

animal
animate
inanimate
unanimous

-art-
“skill”

artist
artless
artifact
artificial
artisan

-aud-
“ to hear”

audio
audible
audience
auditorium
audiphone
auditor

-bio-
“life”

biology
biodiversity
antibiotic
biosphere
biography
autobiography

-cap-/ -capit-
“head/ chief”

cape
captain
capital
capitalism/ capitalist
decapitate

-cede-/ -ceed-/ -cess-
“to go/ to move”

access/ accessible
ancestor
process
proceed
recede/ recession
intercede
exceed
success

-centr-
“center”

central/ centralization
decentralize
eccentric
egocentric
concentrate

-cert-
“sure”

certify
certification=certificate
certain/ certainly/ certainty
ascertain

-circ-/-cyc-
“ring, circle”

circular
circulate/ circulation
circus
encircle
semicircle
cycle/ cyclist
cyclone
encyclopedia

-clud-/-clos-/ -clus-
“to shut”

close
closet
conclude/ conclusion/ conclusive
disclose/ disclosure
exclude/ exclusion/ exclusionism/ exclusive
include/ inclusion/ inclusive

-cover-
“ to cover”

coverage
discover
recover/ recovery

-cre-/-cresc-
“ to make, to grow”

create/ creation/ creative/ creativity/ creator/ creature
concrete
decrease
increase
recreate/ recreation

-cred-
“ to believe”

credit
credible
discredit
incredible
creed

-crit-
“to judge”

criteria
critic/ critical/ critisim/ criticize

-deb-/ -du-
“to owe”

debt/ debtor
due
duty/ dutiful

-dem-
“people”

democracy/ democratic/ democratize/ democratism
demography
epidemic influenza
pandemic (pan=all)

-dic-/ -dict-
“say/ speak”

dictator
dictionary
dedicate/ dedication
predict/ prediction
indicate/ indication
dictation
contradict/ contradiction

-doc-/-doct-
“to teach”

doctor/ doctoral
doctrine
indoctrinate
document/ documentary

-dom-
“house”

domestic
domicile

-dom-
“master, to rule”

domain
dominate/ dominant/ domination
predominate/ predominant
kingdom
madam

-dorm-
“ to sleep”

dormitory
dormant

-draw-
“ to draw”

drawer
drawback
withdraw
overdraw
outdraw

-duc-/ -duct-
“ to lead”

introduce / introduction
reduce / reduction
deduce / deduction
abduct kidnap ransom
hijack

-dyn-/ -dynam-
“power”

dynast / dynasty
dynamic

-eco-
“home”

ecology
economy/ economic/ economics
economical/ economize

-fa-/ -fabl-/ -fam-/ -fess-
“ to speak”

fate
fatal
infant
fable
fabulous
fame/famous/ infamous
defame
confess
profess/ professor

-fac-/ -fit-
“face”

facial
superficial
deface
preface
surface

-fact-/ -fect-/ -fic-
“ to do/ make”

factory
manufacture
affect
effect
facilitate
faculty
defect
infect
office
proficient
sacrifice (sacri-
“sacred”)

sufficient

-fare-
“to go”

fare
farewell
warfare
welfare


-fid-/ -feder-
“trust/ faith”

confidence
federation

-fig-
“ to shape”

figure
configuration
prefigure
disfigure
transfigure

-fin-
“ to end”

fine
final/ finalize
finite/ infinite
define
definite/ indefinite
refine

-flat-
“ to blow”

conflate = combine
deflate/ deflation
inflate/ inflation

-flect-/ -flex-
“to bend”

reflect
flexible / inflexible
deflect/ deflection

-flor-/ -flour-
“flower”

flora/ floral
defloration
florist
flourish

-flu-
“ to flow”

fluid
fluent/ fluency
flush
fluctuate
affluent/ affluence
influence/ influential
conflux
efflux
influx
reflux

-form-
“ to form/ form”

deform
inform
reform
transform
uniform
formal
formula/ formulate
conform/ conformity

-gen-
“come into being”

hydrogen
oxygen
gene
genetics
gender
generate
generation
genius
genuine

-geo-
“earth”

geology
geography
geothermal

-graph-/ -gram-
“to write, draw”

grammar
graphic
photography
telegraph
biography
geography

-grat-
“ to please, welcome”

grateful
gratitude
grace/ graceful
disgrace
congratulate

-habit-/ -hibit-
“ to have”

habit
inhabit/ inhabitant/ inhabitation
cohabit
exhibit/ exhibition
prohibit/ prohibition

-her-
“heir”

heir/ heiress
heirloom
heirship
heritage
inherit

-here- / -hes-
“to stick”

adhere = stick to/ adherence/ adherent
cohere / coherence/ coherent
inhere / inherence/ inherent
hesitation/ hesitate

-hydro- / -hydr-
“water”

Dehydrate
Hydropower
Hydroelectricity
Hydrodynamic

-insul-
“island”

islet
peninsula
insulate/ insulator
isolate/ isolation

-journ-
“day”

journal
journalism
journalist
journey

-jud-
“to judge”

judge
judgment
prejudice

-just-/ -juris-
“ law. Right”

just
justice
justify
adjust
unjust
jury

-labor-
“to work”

the labor force = the work force
laborer
laborious
laboratory
collaborate
elaborate

-lav-/ -lau-
“ to wash”

lava
lavatory
laundry
lavish

-lax-/ -lyse-
“ to loosen”

lax
relax/ relaxation
release
paralyze
analyze/ analysis

-lect-/ -leg-
“ to choose, to gather, to read.”

Elect/ election
Select / selection
Intellect
Collect
Recollect =remember/ remind
Neglect
Legend/ legendary
Lecture
Elegant

-leg-
“ Law”

legal/ illegal
privilege (privi- personal)
legislate / legislation/ legislative/ legislator

-liber-
“free”

liberal
liberate
liberty
PLA People’s Liberation Arming


-lingu-
“ tongue, language”

linguistic
linguist
bilingual
multilingual
language

-liqu-
“fluid”

liquefy
liquid
liquidity
liquidize
liquor

-liter-
“letter”

literal
literature/ literary
literate/ illiterate adj. n.
preliterate
subliterary

-loc-
“place”

local
localize
locate/ location
allocate
mislocate
relocate/ relocation

-log-
“speech”

catalog (cate-=down, fully)
dialogue (dia=between)
monologue
logic/ logical
apology/ apologize
anthropology (anthropo-=man) astrology (study of the star)
biology

mythology
zoology
psychology (psycho=mind)
trilogy

-magn-/ -maj-/ -max-
“great”

magnify
magnifier
magnificent
majesty
majestic
major
majority
maximum
climax

-man-/ -manu-
“hand”

manual
manager
manuscript
manufacture
manicure
manipulate/ manipulative

-mand-/ -mend-
“order”

command/ commander
demand
mandate
mandatory

-mari-/ -mare-
“sea”

marine : of, found in, or produced by the sea.
Maritime : in relation to seafaring commercial or military activity
Submarine

-med-
“middle, to heal”

medical
medication
medicine