备考托福雅思常用词根.doc

词根
-alter-/-ali-“other”
alter
alternative
altruism
alien

-am-“tolove”
amiable
amateur
amour

-anim-“breath,soul”
animal
animate
inanimate
unanimous

-art-“skill”
artist
artless
artifact
artificial
artisan

-aud-“tohear”
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-“togo/tomove”
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-“toshut”
close
closet
conclude/conclusion/conclusive
disclose/disclosure
exclude/exclusion/exclusionism/exclusive
include/inclusion/inclusive

-cover-“tocover”
coverage
discover
recover/recovery

-cre-/-cresc-“tomake,togrow”
create/creation/creative/creativity/creator/creature
concrete
decrease
increase
recreate/recreation

-cred-“tobelieve”
credit
credible
discredit
incredible
creed

-crit-“tojudge”
criteria
critic/critical/critisim/criticize

-deb-/-du-“toowe”
debt/debtor
due
duty/dutiful

-dem-“people”
democracy/democratic/democratize/democratism
demography
epidemicinfluenza
pandemic(pan=all)

-dic-/-dict-“say/speak”
dictator
dictionary
dedicate/dedication
predict/prediction
indicate/indication
dictation
contradict/contradiction

-doc-/-doct-“toteach”
doctor/doctoral
doctrine
indoctrinate
document/documentary

-dom-“house”
domestic
domicile

-dom-“master,torule”
domain
dominate/dominant/domination
predominate/predominant
kingdom
madam

-dorm-“tosleep”
dormitory
dormant

-draw-“todraw”
drawer
drawback
withdraw
overdraw
outdraw

-duc-/-duct-“tolead”
introduce/introduction
reduce/reduction
deduce/deduction
abductkidn