英语词根
PREFIXESa-=of;
afresh(adv.)重新、再anew(adv.)重新、再adown朝下
akin同种的、类似的
a-=on;
aback(adv.)向后abed在床上ablaze(a.)发光、着火
aboard(adv.)在国外afar遥远地afloat漂浮地，漂浮的
afoot徒步地aground（船）搁浅ahead在……之前
ahead在……之前alive活的aloof(adv.）远离，躲开
asleep睡着的away在远方
a-=make…;加强语气
abide遵守alight由车或马上下来alike相似的
aloud大声地amaze使惊愕arise起来，产生
arouse唤起ashamed羞耻的await等候
awake吵醒athirst渴望的
a-=ad-=toatfor
abandon放弃abase贬抑abate减少
abridge缩短achieve完成amass积聚
ameliorate改善、修正amenable顺从的amount总计
avenge为……报仇avenue大街avow公开承认
a-=ab-=notwithoutfromaway
avert避开，调转avocation副业，嗜好
a-=ex-=outextremely
abash使羞愧am修正，改善avoid避免
a-=negative=notwithout
abysss深渊，地狱achromatic无色的Amazon亚马逊河
amnesty大赦，特赦amoral非道德的apathy冷淡，漠不关心
aphasia失语症asylum避难所asymmetry不对称，不均匀
atheism无神论atom原子atypical非典型的
ab-=fromawayfromoff
abaxial离开轴的abdicate放弃权利，让位abduce使外旋，外展
abduct绑架，诱拐abject卑鄙的abnormal变态的，不正常的
abominate痛恨，厌恶abortion流产；堕胎abrade摩擦，擦伤
abrupt突然的absolve赦免absorb吸收；使全神贯注
abuse滥用abscess脓疮，溃疡abscond潜逃；逃亡
abstain戒绝abstract提炼；抽象的abstruse难解的
abundant丰富的advance前进avaunt走开
ad-=toatfor
abbreviate缩短accede允诺accelerate加速
accomplice从犯accost向人打招呼accumulate堆积
accustom使习惯acknowledge承认acquire获得
adapt适应addict使沉溺adhere粘着
advent到来advocate拥护affiliate联合
affirm确认afflict使痛苦aggress侵略
allocate分配app附加appraise评估
ascertain探知assert主张assume假定
attach附上attain达到acclimate使服水土
al-=all
almighty万能的almost差不多，几乎alone单独的
ambi-=onbothsidesaboutaround
ambidextrous两手灵巧的ambiguous含糊的ambition雄心
ambivalent犹豫不决的ambient周围的
amphi-=onbothsidesaround
amphitheater圆形剧场amphibian水陆两栖的amphibiology两栖生物学
an-=negative=notwithout
anaemia贫血症anaethetic麻醉剂anarchy无政府状态
anecdote轶事ambrosia神的食物
ana-=upononup
anabaptist再洗礼派教徒anachronism时代错误analogy相似，类似
ante-=before
antecedent在先的antechamber来宾接待室anteroom来宾接待室
antedate提前的日期anterior前面的anticipate预期
ancient古代的ancestor祖先antediluvian洪水时代以前的
anti-=againstoppositeto
anti-communist反共的antipathy反感antiseptic防腐的
antithesis对照、对比antagonist敌手Antarctic南极的
antonym反义词
auto-=self
autobiography自传autocracy专制政治autogamy自体生殖
autogenous自生的autonomy自治区authentic真正的
autoinfection自身感染autonym真名
be-=tomake
becalm使不动befool愚弄befoul污染
befri照顾beguile欺骗belittle贬低，轻视
benumb使麻木betroth许配
be-=tocoverwith
becloud蒙蔽bedew沾湿befog罩入雾中，迷惑
bestar布满星星
be-=upon
becomebefall降临，遭遇behold看
bemoan悲恸beset包围bespeak预定
be-=by
because因为bequeath遗赠beside在旁
bene-=wellgood
benediction祝祷benefaction恩惠、施惠benefactor恩人
beneficent亲切的、慈善的beneficial有益的beneficiary收益人
benefit有益于benevolent慈善的bonus恩惠
bi-=doubletwo
bicameral两院制的bilingual双语的bimonthly两个月一次的
bipolar两极的biweekly一周两次的bicycle自行车
circum-=aroundroundabout
circumference圆周circumstance环境、情况circumspect慎重的
circuit电路、回路circumlunar环绕月球的circulate流通，巡回
com-=togetherwithwholly
combat战斗combine联合comfort安慰
commemorate纪念comm称赞commotion骚动
commute通勤compile编辑compose组成
coalesce合并、联合coalition联合coeducation男女合校的教育
coerce强迫coexist共存cooperate合作
collaborate合作collapse倒塌colleague同事
collide碰撞combustion燃烧conceit自负、自大
concentrate集中、专心conclude下结论concord和谐、一致
condesc屈尊俯就configuration外形confront使面临
conglomerate聚集conjunction结合consent同意
consume消费contaminate弄脏、污染correlate使相互关联
contra-=against
contradict否认contrary相反的contrast对比
counteract抵消counterpart相对的人或物
de-=downdownward
decapitate斩首decay腐烂decease死亡
deceive欺骗decipher译（密码）declare宣告
deduce演绎、推论defect缺点defer服从
deform使残废deliberate考虑delinquency过失、犯罪
demerit过失、短处demolish推翻、毁坏demonstrate证明
depict描写derive获得despise蔑视
detail详述detain使延迟devastate使荒废、毁灭
devour毁灭
de-=apartfrom
decode译解defer延缓deficit赤字
defrost去冰或霜dehydrate脱水detach派遣、分离
dis-=apartaway
disadvantage不利disagree不同意disapprove不赞成
disbelieve不信、怀疑discard抛弃discern辨认
discontinue中止discord不一致discourage使气馁
discreet言行谨慎discrepancy矛盾、不一致discrete个别的、不连续的
discriminate歧视disfavor不赞成disguise伪装
disgust厌恶disintegrate使分解display展示
disregard忽视、不理睬dissolve溶解、解散distribute分配
dessert甜点digest消化、融会dimension尺寸、规模
diminish减少diffident缺乏自信的
en-=inintoonatnearmake
enact制定为法律enclose围绕encompass围绕、包含
encounter对抗encourage鼓励encroach侵占
eavor努力enlarge扩大enlighten启迪
enlist使入伍enrage激怒enrich使丰裕
entitle使有资格entrust委托environment环境
embed埋入，深留embrace拥抱empower授权
ex-=outoffully
exact正确exaggerate夸大exasperate激怒
exceed超越excel优于、胜过excerpt摘录
exclude拒绝、除外execute实现exempt免除
exert施行、运用exhaust用尽exhibit陈列
exhilarate使兴高采烈exit出口exotic外国的
expand扩张、膨胀expect期望expel驱逐
expire期满explicit明确的expose暴露
exterior外面的external外部的extinguish熄灭
extrinsic外在的emancipate解放
extra-=beyond
extraordinary特别的extreme极端的extremity极端
fore-=before
forearm前臂forebear祖先,祖宗forefather祖先,祖宗
forefinger食指foregoing在前的,前述的foreground前景,最显著的位置
forehead前额foreman领班,工头foremost最先的,最初的,最重要的
foresee预见,预知foretell预言,预示,预测foreword前言,序
hyper-=abovebeyond
hyperactive极度活跃的hypercriticism苛求hyperinflation恶性通货膨胀
hyper-militant极度好战的hypersensitive感觉过敏的
hypo-=under(与hyper-相反)
hypocrisy伪善hypothesis假设
in-=inintoon
inborn天生的,生来的incentive动机inceptive起初的,开端的
incident事件,事变include包括,包含income收入,收益
increase增加,增大,增长incur招致indoor户内的,室内的
induce劝诱,促使,导致indulge纵容infect传染,感染
infiltrate渗透inflame燃烧inflate使(通货)膨胀,使充气
infringe侵犯,违反infuriate激怒infuse灌输,注入
ingrained根深蒂固的inhale吸入inherit继承
inhibit抑制,约束inject注射,注入inlet入口,小港
innate先天的,天生的innovate改革,创新inquire询问,问明,查究
inscribe记下insect昆虫insert插入,嵌入
insight洞察力,见识inspect检查,视察intake入口
intoxicate使陶醉,醉人intrigue阴谋,诡计intuition直觉
invade侵略,侵袭invest投资involve包括,使陷于
illuminate照明,阐明illusion幻想illustrate举例说明,图解
immerge浸入,浸没immigrate使移居入境impair削弱
impart传授,告知impediment妨碍,阻碍impinge撞击
impoverish使贫穷imprint留下烙印irrigate灌溉
inter-=betweenamong
intercept中途阻止,截取interchange相互交换interfere干涉,干预
interfuse(使)混入,(使)混合intermingle混合international国际的,世界的
interplay相互影响interpret解释,口译interrupt中断,插嘴
intersect横断interstellar星际的intervene干涉,干预
interval间隔,距离interweave(使)交织
intra-/intro-=withininward
intrapersonal内心的intra-school校内的introspect内省,内观
introvert性格内向的人
macro-=largelong
macroeconomics宏观经济学macrometeorology宏观气象学
micro-=small
microbiology微生物学microeconomics微观经济学micrometeorology微观气象学
microphone麦克风microscope显微镜
neo-=new
neoclassicism新古典主义neocolonialism新殖民主义neofascism新纳粹主义
neoromanticism新浪漫主义
out-=outbeyond
outbreak爆发outcome结果outcry叫喊
outflow流出outlook展望outpour流出
outgrow生长速度超过outlandish异国风味的outline外形、轮廓
outlive生存得比~更长outnumber数目超过outpace追过
outrage暴行outwit比~机智
over-=aboveacrossbeyond
overact动作过度overbridge/overpass天桥overburden使负担过重
overcoat大衣overcome击败、压倒overcredulous过度轻信的
overcrowd过度拥挤overeat吃得过多overestimate高估
overflow溢出、泛滥overlap部分重迭overseas海外的
overtake赶上overthrow推翻overturn推翻
overwhelm压倒
para-=besidebeyondagainstcontrary
parable比喻、寓言parachute降落伞paragraph段落
parallel平行paralyze使麻痹paramount最高的、卓越的
per-=throughthoroughlyaway
perceive感觉、知觉perennial永久的perfect完美的
perform实行、履行perish毁灭permanent永久的
permeate渗透、普遍permit许可perpetual永远的
perplex使困扰persist持久perspective远景、视角
persuade说服pervade遍及、弥漫
post-=afterbehind
postdoctoral博士后的posterior后部的posterity子孙
postgraduate研究生postpone推迟postscript附笔
pre-=before
precaution预防precede在前preclude阻止
predecessor前任predict预言preface前言
prefer较喜欢pregnant怀孕的prejudice偏见
preliminary准备的premature未成熟的premium奖金
preoccupy使凝神于prepare准备prerequisite首要的事物
prescribe规定present现在的preserve保存
preside主持（会议）presume假定pret假装
prevail盛行prevent妨碍、防止preview预习
previous先前的
re-=againback
rebel谋反recall召回、号召recede后退、撤回
recite背诵reclaim教化、纠正reconcile和解、调停
record记录recreation娱乐recruit招募
reduce减少redundant多余的、冗赘的refer参考
reflect反映refraction折射refresh使爽快
refrigerator冰箱refuge避难rehearse预演、排练
reinforce增强reject拒绝relax放松
relevant有关的relieve减轻reluctant勉强的
remedy治疗remorse悔恨Renaissance文艺复兴
renew更新renounce放弃repeat重复
repel拒绝、排斥reply答复resemble相似
restore恢复resume重新开始retard阻碍、妨碍
retort反击、反驳revenue总收入revise校订、修正
revive振兴
retro-=backward
retrospect回顾
se-=awayapart
secede脱离、退出secret秘密的secrete分泌
seduce引诱segregate分离、隔离select选择
separate分离
step-=orphaned
stepbrother同父异母(或同母异父)的哥哥(或弟弟)
stepchild前夫(或前妻)所生子女stepdaughter继女,过继的女儿
stepfather继父stepmother继母stepparent继父(母)
stepsister异父（母）姐妹stepson继子
sub-=under
subconscious潜意识的subject使服从sublime庄严的
submarine潜水艇submerge淹没submit屈服于
subscribe签名、捐助substance物质substitute代替
subtitle副标题、字幕subway地铁succeed继承
succinct简洁的suffer忍受suffice足够
suffocate使窒息suggest提出summon传招、召集
support支持suppress镇压susceptible易受影响的
suspect怀疑sustain供应、维持
super-=aboveover
superabundant过多的superb豪华的、有余的supercilious自大的
superficial表面的、肤浅的superint监督、管理superior较好的
supernatural超自然的supersonic超音速的superstition迷信
supervise监督supreme最高的supremacy最高
sovereign主权的surface表面surmount战胜、爬越
surname姓surpass超越surplus过剩的
surrer屈服surround包围survey考察
survive生存
syn-=withtogether
synchronism同时发生syndicate财团synonym同义字
syntax句法synthesis综合,合成system系统,体系
syllable音节symbol符号,记号,象征sympathy同情,同情心
symphony交响乐,交响曲symposium讨论会,座谈会symptom症状,征兆
tele-=faroff
telecommunication通讯telegram电报telegraph电报
telephone电话telescope望远镜television电视
trans-=beyondacrossover
transaction办理,交易transfer转移,传递transform转换
translate翻译,解释transmit传输,转送transparent透明的,明晰的
transport传送,运输tradition传统,惯例traitor叛逆者,叛国者
tranquil安静的transc超越,胜过trespass侵入
with-=againstback
withdraw收回,撤消withhold使停止,抑制withstand抵挡,经受住
SUFFIX–ant
assistant助手,助教descant子孙,后代emigrant移民
immigrant移民,侨民inhabitant居民,居住者servant仆人
tenant承租人,房客
–ee
committee委员会employee职工,雇员examinee投考者,应试者
nominee被提名的人,被任命者trainee练习生,新兵
–eer
auctioneer拍卖人
–ent
agent代理(商)correspondent通讯记者opponent对手,反对者
president总统,校长resident居民student学生,研究者,学者
–er
baker面包师commander司令官,指挥官customer消费者
gardener园丁leader领导者manufacturer制造商
mariner水手murderer杀人犯,凶手owner所有者,业主
philosopher哲学家,哲人prisoner囚犯producer生产者
–ess
actress女演员empress皇后hostess女主人
princess公主stewardess女乘务员
–ist
communist共产主义者dogmatist武断的人novelist(长篇)小说家
specialist专家tourist旅行者,旅游者typist打字员
violinist小提琴演奏者
–ism-asm
antagonism对抗(状态)Buddhism佛教communism共产主义
existentialism存在主义exoticism异国情调heroism英雄主义
Marxism马克思主义optimism乐观主义pessimism悲观主义
enthusiasm热心,积极性
–itude
altitude高度aptitude恰当,智能fortitude坚韧
gratitude感谢latitude纬度magnitude大小,数量,量级
multitude多数solitude孤独
–able-ible
amenableavailablechangeabledesirableimponderableirritablenoticeablereasonableunforgettablecontemptiblehorribleincrediblenegligible
–ed
agedbeardedcrownedculturedgiftedmoneyedtalented
–ful
dreadfulfruitfulgracefulmercifulmournfulregretfulscornfulshamefulthoughtful
–ic
academicangelicarcticathleticdiplomaticdomesticemphaticexoticfantasticgiganticidioticlunaticpatrioticscenic
–ish
bookishbrownishchildishfeverishselfishyellowishbluishgreenishreddish
–ous
enviousfuriousgloriousgorgeousindustriouslaboriousperilousrighteousspaciousstrenuoustremulousviciousvirtuous
–proof
bombproofbulletprooffireprooffoolproofrainproofsoundproofwaterproofweatherproof
–some
burdensomeirksomemeddlesomequarrelsometiresometroublesomewearisomewholesome
–en
darkenfastenhastenheightenlengthenmoistenreddensharpenstrengthenthreatenweakenworsen
–esce表动作开始或正在进行
coalesceobsolesce
–fy
classifyedifyfortifyfructifyidentifyjustifyliquefynullifypersonifypurifyqualifysatisfysignifysimplifystupefy
–ish
admonishbanishblushcherishdemolishdiminishflourishfurnishlanguishpunish
–ize/-ise
civilizedramatizegeneralizeorganizespecializesymbolizeutilizevicimize
–le
chuckledazzlesparklesprinklestartletwinkle
Rootact=toact(在行动)
activate刺激,使活动activation活化,激活activator催化剂,触媒剂actual实际的,真实的actuality实在,现状actualize实现,实施actuate开动,促使enact制定法律,颁布enactment设定,制定inaction无行动,不活动,无为,怠惰inactive无行动的,不活动的interact互相作用,互相影响react起反应,起作用reactor反应堆reaction反应,反作用transact办理,交易transaction办理,处理,agency代理处,行销处,代理,中介agent代理(商)agile敏捷的,轻快的,灵活的agility敏捷,活泼agitate搅动,摇动,煽动,激动agitation激动,兴奋,煽动,搅动agitator煽动者agony苦恼,极大的痛苦prodigal浪费的
alt=high(高)
altar祭坛,(基督教教堂内的)圣坛,祈祷祭拜的地方altimeter高度计altitude高度,exalt晋升exaltation提升,提高haughty傲慢的
alter/ali=other
alter改变alteration变更,改造alternate交替,轮流,改变alternation交替,轮流,间隔alternative二中择一,可供选择的办法,事物altruism利他主义altruistic利他的,无私心的alien外侨alienate疏远adultery通奸,通奸行为
am=tolove
amateur业余爱好者amatory恋爱的,情人的amiable亲切的,和蔼可亲的amicable友善的,和平的amorist情人,情郎amorous多情的,恋爱的enemy敌人,仇敌enmity敌意,憎恨
ang=tostrangle
angerangryanguishanxietyanxious
angl/angul=angle
angleangularequiangularquadrangularrectangletriangletriangular
anim=breathmind
animalanimateanimationequanimityinanimatemagnanimityunanimityunanimous
ann=year
anniversaryannualbiannualbiennialcentennialperennial
anthrop=man
anthropocentric以人类为中心的anthropography人类地理分布学,人种志anthropology人类学philanthropy慈善事业
apt=fit
aptaptitudeaptnessadaptadaptableadaptationadaptiveinaptinaptitude
aqua=water
aquatic水的,水上的,水生的,水栖的
arm=weapons
armsarmadaarmamentarmedarmouralarmdisarmdisarmament
art=skill
artfulartistartisticartlessartifactartificial
aud=tohear
audible听得见的audience听众,观众audiphones助听器audition听力,试听auditorial审计员的,查帐官的,通过听觉的auditorium会堂,礼堂auditory耳的,听觉的obedient服从的,孝顺的disobedient不服从的
aug=toincreasetomaketogrow
auctionauctioneeraugmentaugmentativeaugustauthorauthorityauthoritativeauthorizeauthenticauthenticity
avi=bird
aviateaviationaviatorauspiceauspiciousinauspiciousinaugurateinauguration
band/bond=tobind
bandbandagebondboundboundary
bio=life
biochemistry生物化学biography传记biographer传记作者biology生物学autobiography自传autobiographical自传的antibiotic抗生素
bre=short
briefbrieflyabbreviationabridgeabridgement
cand=whitebright
candlecandidcandidateincandescentincandescence
cant/chant/cent=tosing
enchantenchantmentaccentaccentuate
cap=head
capitalcapitalismcapitalistcapitalizecaptaincabbagedecapitateprecipitate
cap=totake
capablecaptivecapture
cast=tothrow
castbroadcastforecastoutcasttelecast
cav=hollow
cavecavernexcavate
cedeceed=togotoyield
accedeaccessaccessibleantecedeantecedentconcessionexceedexceedingexceedinglyexcessiveprecedeprecedenceprecedentproceedprocessrecessionsucceedsuccesssuccessfulsuccessivesuccessor
ceiveceptcipcipate=totake
acceptacceptableacceptanceacceptedconceiveconceivableconceptconceptiondeceivedeceivabledeceptiondeceptiveinterceptperceiveperceptionperceptivepreceptreceiptreceptivesusceptiblesusceptibilityanticipateanticipationparticipateparticipationemancipation
celer=swift
celerityaccelerateaccelerationacceleratordecelerate
cent=hundred
centennialcentigradecentimetercenturypercentpercentage
centr=center
centralcentralismcentralizationacentricconcentrateconcentrationdecentralizeeccentric
cerncret=toseparate
concernconcerningdiscerndiscreetdiscretesecretsecretarysecrete
cert=sure
ascertaincertaincertaintycertifycertificatecertificationconcert
chron=time
chronicchronologysynchronous
cidecise=tocut
concisedecidedecisiondecisiveinciseincisionincisiveinsecticidepreciseprecisionsuicide
circcyc=ring
circlecircularcirculatecirculationcircuitcircusencirclesemicirclecyclecyclistcyclonebicycletricycleencyclopaedia
cite=tocalltourge
citeexciteexcitableexcitementincitereciterecitalsolicitor
claimclam=tocry
claimclamouracclaimacclamationexclaimexclamationproclaimproclamation
clin=tob
declineinclineinclinationclimax
clud=toshut
closeclosetclosureconcludeconclusionconclusivedisclosedisclosureencloseexcludeexclusionexclusiveincludeinclusionprecludeseclude
cognisgnos=toknow
cognitioncognitivediagnosediagnosisignoreignorantrecognizerecognition
