一、 英语单词常见词根总结
ag，act 做，驱动 agent代理人 active活动的，积极的
agr 农田 agriculture农业 agrarian田地的
am 爱，亲爱 amicable友善的 amiable和蔼可亲的
anim 心灵，精神，生命 animal动物 animate有生命的
ann，enn 年 annual一年的 centennial一世纪的
astro 星 astronomy天文学 astronaut宇宙航行员
audi 听 audience听众 audible听得见的
bell 战争 rebellion反叛，反抗 bellicose好战的
bio 生命，生物 biology生物学 antibiotic抗生的，抗生素
brev 短 brevity 简短 abbreviate缩短，节略
cred 相信 credibility可信 credit信任
cur，cours 跑 ccurrence出现，发生 current流通的
cycl 圆，环 bicycle自行车 cyclone旋风
di 日 diary日记 diarist记日记者
dict 说 predict预言 indicate表示
duc，duct 引导 conduct指导 induce引诱
ed 吃 edible可吃的 edacity贪吃
fact 做，制 factory工厂 manufacture制造，加工
fer 带，拿 transfer转移 ferry渡船
flu 流 fluent流利的 influenza流行性感冒
form 形式，外形 transform改变 formula公式
fract，frag破，折 fraction碎片 fragile易碎的
fus 倾，注，溶化 fusion熔解 effuse泻出
gen 起源 generate使产生 genetic遗传的
geo 地球，土地 geography地理 geology地质学
grad 步，走，级 gradual逐步的 graduate毕业
gram 写，记录 diagram图表 program节目单，方案
graph 写，画，记录 photograph照像 autograph亲笔，手稿
gress 行走 progress进步 retrogress后退
hap 机会，运气，偶发 happen发生 mishap灾祸
hospit 客人 hospital医院 hospitable好客的，殷勤的
insul 岛 peninsula半岛 insulation隔绝，孤立
hydra 水 hydraulic水利的 hydrant消防栓
ject 投，掷，抛 eject射出 project投射
junct 连接，结合 conjunction连接词 adjunct附属物
lect，leg，lig 挑选，采集 lect 选举 selection选举 eligible合格的，合适的
lev 举，升 elevator电梯 lever杠杆
liber 自由 liberate解放 liberalist自由主义的
lingu 语言 linguist语言学家 bilingual两种语言的
liter 文字，字母 literate识字的 literature文学
loc 地方 local当地的 locate使座落于
log 词，语言，讲演 dialogue对话 logic逻辑
loqu 说话 eloquent雄辩的 colloquial口语的，会话的
manu 手 manuscript手稿 manual手的，用手的
medi 中间 medium中等的 mediation居中调解
memor 记忆，记住的 memory记忆 memorial纪念日，纪念物
milit 兵 military军事的 militant战斗性的
min 少，小 inority少数 diminish减少，减小
mob，mot，mov 移动 mobile活动的 motion运动 immovable不可移动的
mort 死亡 mortal终有一死的 mortician承办殡葬的人
nov 新 novel小说 novelty新奇
numer 数 numeral数字的 numerous为数众多的
oper 工作 operate操作 co?operate合作
opt 视线，光线 optic视力的 optics光学
path 感情，苦楚，疾病 sympathy同情 pathetic可怜的
pel 推，逐，驱 expel驱逐 repel击退，反击，抵抗
pend，pen 悬挂 depend依靠 pendent悬空的
phon 声音 microphone扩音器 telephone电话
plen 满，全 plenty充足，大量 plentitude丰富，充足
pon，pos 放置 postpone推迟 position位置
sens，sent 感觉 sensation感觉 sentiment感情
sol 太阳 solar太阳的 parasol阳伞
spec 看 spectacle光景，景象 prospect展望
spir 呼吸，生命 conspire***谋 inspire吸气，鼓舞
tact，tang，tag 接触 intact未接触的 tangible可接触的
tail 切，割 tailor裁缝 retail零售
tain，ten，tin 保持，握，容纳 contain容纳 obtain取得，sustain支持
tect 掩，盖 detect侦察 发觉，detective侦探的
tele 远 telescope望远镜 telegram电报
tend，tens，tent 伸 extend伸开，扩展 extensive广阔的
二、高中英语常用的前缀和后缀
1、常用前缀
aero-：concerning the air of aircraft
plane—aeroplane
space—aerospace
anti-：against；opposite of
nuclear—antinuclear
matter—antimatter
war—antiwar
auto-：of or by oneself
biography—autobiography
criticism—autocriticism
be-：to treat as the stated thing
friend—befriend
little—belittle
bi-：two；twice；double
lingual—bilingual
cycle—bicycle
bio-：concerning living things
chemistry—biochemistry
sphere—biosphere
by-，bye-：less important
produce—by-produce
way—byway
centi-：hundredth part
grade—centigrade
meter—centimeter
co-：together，with
author—coauthor
exist—coexist
col-：( used before l ) together，with
location—collocation
com-：( used before b，m，p ) together，with
passion—compassion
con-：together，with
centric—concentric
federation—confederation
contra-：opposite
diction—contradiction
natural—contranatural
cor-：( used before r ) together，with
relate—correlate
respond—correspond
counter-：opposite
act—counteract
attack—counterattack
cross-：across；going between the stated things and joining them
country—crosscountry
breed—crossbreed
de-：showing an opposite；to remove；to reduce
code—decode
value—devalue
dis-：not；the opposite of
advantage—disadvantage
agree—disagree
honest—dishonest
em-：( used before b，m，p ) to cause to become
body—embody
power—empower
en-：to cause to become；to make
danger—endanger
large—enlarge
ex-：former ( and still living )
minister—ex-minister
wife—ex-wife
extra-：outside；beyond
curricular—extracurricular
ordinary—extraordinary
fore-：in advance，before；in or at the front
arm—forearm
warn—forewarn
il-：( used before l ) not
legal—illegal
literate—illiterate
im-：( used before b，m，p ) not
moral—immoral
possible—impossible
in-：not
direct—indirect
sensitive—insensitive
infra-：below in a range；beyond
red—infrared
structure——infrastructure
inter-：between；among
change——interchange
national——international
intra-：inside，within；into
city——intracity
department——intra-department
ir-：（used before r）not
regular——irregular
responsible——irresponsible
kilo-：thousand
gram——kilogram
meter——kilometer
macro-：large，esp. concerning a whole system rather than
particular parts of
economics——macroeconomics
structure——macrostructure
mal-：bad or badly
function——malfunction
treat——maltreat
micro-：extremely small
computer——microcomputer
electronics——microelectronics
mid-：middle
day——midday
night——midnight
mini-：small；short
bus——minibus
skirt——miniskirt
mis-：bad or badly；wrong or wrongly
fortune——misfortune
understand——misunderstand
mono-：one；single
plane——monoplane
tone——monotone
multi-：more than one；many
purpose——multipurpose
national——multinational
non-：not
resident——non(-)resident
sense——nonsense
out-：outside；beyond
live——outlive
door——outdoor
over-：too much；above；additional
head——overhead
time——overtime
poly-：many
centric——polycentric
syllabic——polysyllabic
post-：later than；after
graduate——postgraduate
war——postwar
pre-：before；in advance
pay——prepay
war——prewar
pro-：in favor of，supporting
America——pro-America
abortion——pro-abortion
pseudo-：not real；false
name——pseudonym
science——pseudoscience
re-：again；back to the former state
unite——reunite
use——reuse
self-：by means of oneself or itself；of，to，with，for，or in
oneself or itself
employed——self-employed
taught——self-taught
semi-：half；partly
circle——semicircle
final——semifinal
step-：not by birth but through a parent who has remarried
mother——stepmother
children——stepchildren
sub-：under，below；less important；part of the stated bigger
whole
divide——subdivide
section——subsection
super-：more，larger，greater than usual
market——supermarket
natural——supernatural
tele-：at or over a long distance；by or for television
communication——telecommunication
screen——telescreen
therm(o)-：concerning heat
chemistry——thermochemistry
meter——thermometer
trans-: across, on or to the other side of ; between
Atlantic—transatlantic
plant—transplant
tri-: three; three times
angular—triangular
cycle—tricycle
ultra-: beyond; very, extremely
modern—ultramodern
sound—ultrasound
un-: not
certain—uncertain
fortunate—unfortunate
under-: too little; below
develop—underdevelop
sea—undersea
uni-: one, singer
form—uniform
directional—unidirectional
vice-: next in the rank; below
chairman—vice-chairman
president—vice-president
2.常用后缀
（1）名词后缀
-ability，-ibility
able—ability
flexible—flexibility
-age
post—postage
short—shortage
-al
arrive—arrival
refuse—refusal
-an，-ian，-arian
library—librarian
music—musician
-ance，-ence
appear—appearance
refer—reference
-ancy，-ency
emerge—emergency
expect—expectancy
-ant，-ent
apply—applicant
correspond—correspondent
-cy
accurate—accuratcy
private—privacy
-dom
king—kingdom
free—freedom
-ee
employ—employee
interview—interviewee
-er，-or，-ar
paint—painter
beg—beggar
-ery
brave—bravery
slave—slavery
-ese
China—Chinaese
Japan—Japanese
-ess
actor—actress
waiter—waitress
-ful
hand—handful
spoon—spoonful
-hood
child—childhood
man—manhood
-ics
electron—electronics
linguist—linguistics
-ion，-ition，-ation
collect—collection
observe—observation
-ism
Marx—Marxism
socialist—socialism
-ist
psychiatry—psychiatrist
violin—violinist
-ity，-ty
cruel—cruelty
pure—purity
-ment
move—movement
retire——retirement
-ness
dark——darkness
happy——happiness
-ology
climate——climatology
future——futurology
-ship
friend——friendship
scholar——scholarship
-sion，-ssion
decide——decision
expand——expansion
-th
grow——growth
wide——width
-ure
close——closure
expose——exposure
(2)动词前缀
-en
deep——deepen
fast——fasten
-ify
class——classify
simple——simplify
-ize，-ise
modern——modernize / modernize
popular——popularize / popularize
(3)形容词后缀
-able，-ible
suit——suitable
question——questionable
-al
nature——natural
structure——structural
-an，-arian，-ian
suburb——suburban
Canada——Canadian
-ant，-ent
differ——different
please——pleasant
-ary，-ory
advise——advisory
custom——customary
-ate
consider——considerate
fortune——fortunate
-en
gold——golden
wood——wooden
-ese
China——Chinese
Japan——Japanese
-free
care——carefree
duty——duty-free
-ful
care——careful
pain——painful
-ic，-ical
atom——atomic
psychology——psychological
-ish
girl——girlish
child——childish
-ive
create——creative
support——supportive
-less
hope——hopeless
pain——painless
-like
child——childlike
lady——ladylike
-ly
man——manly
month——monthly
-ous，-ious
danger——dangerous
poison——poisonous
-some
tire——tiresome
trouble——troublesome
-ward
down——downward
up——upward
-y
guilt-guilty
noise-noisy
(4)副词后缀
-ly
easy-easily
heavy-heavily
-ward，-wards
east-eastward(s)
north-northward(s)
-wise
clock-clockwise
other-othewise
（很辛苦的，你可要多多加分啊）