一、常见词缀：
（一）前缀
位置：ex-, e-, extra-, over-，out-, under-; in-, im-, inter-, mid-; pre-, sub-, suf-, sup-, super-, sur-, post-; tele-; trans-; cross-
大小多少：uni-, mono-, bi-, tri-, mini-, multi-, kilo-, micro-, macro-; semi-, hemi-; poly-,
否定意义：anti-； de-; di-, dif-, dis-； counter-, anti-, contra-; in-, im-, il-, ir-； mis-, mal-; un-; non-, pseudo-,
联想：col-, cor-, com-, con-; re-; vice
变动词: be-, en/em
其他：auto-, self-; bio-; by-, step-; ultra-
（二）后缀
表示人： -er, -ee, -eer, -or, -ar, -ian, -ent, -ant, -ist, -ese, -ess
学科：-ology, -ture, -icsdegrade
抽象意义----身份，状态，性质 -ity, -ship, -hood (加在名词后), -ness（加在形容词后）-th, -ure
行为：-ment, -ion, -tion, -ation, -sion, -age, -ance/-ence （加在动词后）
形容词后缀：-tive, -ous, ful/-less; able/ible, -ent, -ant; -ory, -ary; -like/ish; -ly; -y; -some; -ward
动词后缀: -ize, -fy, -ate, 等
二、常见词根及构词
pos = put 放置：pose, position, expose, exposure, compose, composition, propose, proposal, oppose, opposition, impose, dispose, disposal, preposition
tract = draw 拉，抽，引：tractor, attract, attraction, attractive, distract, subtract, contract, abstract, drag, draw, straight, straighten, stretch   
sec, sequ = follow 跟随：second, secondary, sequence, subsequent, consequence, consequently
vid, vis, vey, vy = see 看：visible, vision, visibility, invisible, visual, video, videophone, revise, revision, supervise, supervision, evident, evidence, visit, visage, improvident，videocast
spect=look 看：spectator, spectacle, spectacular, prospect, inspect, inspection, expect, e
xpectation, respect, respectable, respectful, respective, respected, suspect, suspicion, specific, despite
mob, mov, mot = move动：mobile, mobility, mobilize, automobile, motion, motive, motivate, motivation, motor, move, promote, promotion, emote, remote
ced, ceed, cess , gress = go, walk 行走：precede, proceed, procedure, process, exceed, excess, excessive, succeed, success, successful, succession, successive, successor, access, accessible, progress, congress, regress, aggressive
rupt=break破：bankrupt, interrupt, corrupt, disrupt, erupt
mini, min = small, little 小：miniskirt, minimize, minimum, minus, minute, minority, diminish
scrib, scrip 写，记，抄：describe, description, script, manuscript, prescribe, prescription
dict, dic = say 言，说：diction, dictionary, contradict, dictate, dictation, dictator, predict, prediction, predictable, indicate, verdict
miss, mit = send 投，送，发：mission, missile, dismiss, dismissal, transmit, transmission, emit, emission, promise, compromise, committee, commission
port = carry 拿，带，运：portable, import, export, transport, report, support
leg, legis 法：legal, legalize, illegal, legislate, legislation, legislature
solu, solv 洗，溶解：solution, solve, resolve, resolution, dissolve
press 压：impress, impression, express, suppress, depress
viv, vit=live活：live, living, lively, survive, livelihood, alive, revive, vivid, vital, vitamin
count=number：account, accountant, discount, number, numeral, numerous, innumerable
ag=act 行动，做：action, exactly, react, interact, transact, radioactive, agent, agenda, agency,
fac=make做，作，制造：facility, factory, faculty, affect, defect, infect, perfect, efficient, fiction, artificial, proficiency, feasible
sign=mark记号，信号：remark, signal, signature, design, designate, significance, resign
du, doub, coup=two二：dual, double, doubtful, couple, dubious, duplicate, dual
spher=ball球：balloon, ballot, hemisphere, atmosphere
popul, publ=people人：popular, public, publicity, republic, publish, republican, population,
men, min=mind心灵，精神：mind, remind, mention, mental, comment, memory, memorial, remember, commemorate
struct=build建造：construct, instruct, obstruct, destruction, destroy
fund, found=base基础：basement, basis, foundation, profound, fund, refund, fundamental
part=divide分，分开：dividend, individual, particle, participate, particular, partner, apart, counterpart, depart, impartial, department, party, apartment, compartment
pend, pens-hang悬挂：dependent, independence, append, appendix, suspend, pension
duc=lead引导：conduct, deduct, misconduct, educate, induce, introduce, produce, reduce,
oper=work工作：operate, cooperate, opera
ven,vent=come来：venture, adventure, avenue, convention, invent, eventually, prevent, intervene
voc,vok=claim呼喊，叫喊，声音：proclaim, reclaim, exclaim, advocate, provoke, vocal, voice,
sect=cut切，割：section, segment, intersection, sector
grat, grac, gree=please高兴，感激：grace, grateful, gratitude, congratulation, agree, agreeable, greet, pleasure, pleasant, disagree
vail, val=worth价值：worth, worthy, worthwhile, available, prevail, value, valid, validity, valve, evaluate, equivalent
pel, peal, puls=drive驱动：appeal, compel, compulsion, compulsory, propel, pulse, impulse
tact, tang, tag=touch接触：contact, intact未接触的tangible可触摸到的
alter改变；aptitude能力；disastrous灾难的；banish放逐; combat战斗；calculate推算；excavate挖掘；accelerate加速；certify证明; coincide, concur同时发生；circulate循环，流通；declination倾斜，下垂；discord不和；durability耐久性；equilibrium平衡，均势; diffident缺乏自信的；domain领地; infinity无限性；afflict使苦恼，折磨；formulate构思，规划；fortify, reinforce加强; frigid寒冷的；fuse熔化，融合；geometry几何；congest拥塞，充满；degrade降级，堕落；heredity遗传；hinder阻碍；hydraulics水利学；transit转移；junction连接点；collaborate合作；elapse流逝; latitude纬度；alleviate减轻; magnify放大；
manipulate操纵；submerge/immerse沉没；symmetry对称; eminent杰出的；negligible可以忽略的；notorious臭名昭著的；optimum最佳条件, demography
三、有意义的字母组合：
st---不动，立：stand, stop, stay, state, station, stable, steady, establish, instance, standard, statistics, statue, stereo, stare, static, stationary, stereotype, still, destination, destine, destiny, stone, stubborn, rest, install, staunch, constant, steel, stiff, obstacle, stale, stall, stain, stick, start, stun, startle, astonish, stupid, stuffy (40)
sti----刺，尖：stick, sticky, stimulate, stitch, instinct, sting, stir, (大纲全部)
fl----流动：flow, float, flu, flood, influence, fluctuate, fluid, flush, fluent, fleet, flute, flux,
fl----闪动的光，植物：flash, flame, flare, flower, flourish
fl----空中的动作：fly, flee, flight, flap, flutter, fling, flag,  flat, flatter, flesh, flavor, flexible,（大纲全部）
gl---不动的光/亮：glance, glimpse, glare, glamour, glass, glorious, glory, glow, gloomy, gloss, glitter
gl, sl----滑动：glide, glove, globe, global, glue（大纲全部） slip, slipper, slippery, slide, slit, slope, sledge, sly
cr---碎，裂：crack, crash, crisp, crush, crisis, critical, crazy, cracker, crumb
-ap----拟声：flap, clap, tap, slap, rap  break----crash, clash, smash, splash,
-ump—笨重的动作：bump, thump, thumb, stumble, plump, hump, clumsy, dump, lump, slump, plumb,
-atter----细碎的动作：batter, chatter, clatter, shatter, scatter,
-ash-----猛烈的动作：flash, splash, clash, dash, slash, crash, smash,
-are----强烈的光：flare, glare, stare
sn----鼻子的出气声：sniff, sneeze, snore, snuff, snot
spr----传播，洒，喷：spread, sprinkle, spray
tw----二：two, between, twilight, twelve, twin, twice, twenty, twinkle
wr, tw----扭曲，卷绕：wrap, wreck, wreath, wrestle, wrench, wrinkle, wrist, wrong, wretched
sw-----水，洗：swim, sweat, sweater, swan, sweep, swing, swift, sway, switch, sword, swarm
h---象征沉重：heavy, haste, hurry, heave, hop, hunt, hurl
i----表示小：mini-, sip, chick, chip, nibble, tiny, slip, slit, drip
m----象征低沉声：hum, moan, mumble, murmur, mutter
r----：表示粗糙、削利、重浊的声音：grunt, rattle, roar, cry, croak, creak, rumble, crunch, crack, scrape, rip, scream, scratch
s, z, sh----象征寂静和蛇等动物嗖艘爬的声音：hiss, brush, silence, rustle, snake, zip, buzz, hush, whisper
四、单复数形式不同意义不同词记忆
air空气  airs风度、架势
arm手臂  arms武器
art艺术  arts文科；人文科学
authority权利；权威  authorities官方；当局
brain大脑    brains智利
chain链（条）  chains镣铐
compliment恭维；称赞  compliments问候；致意
condition状况，状态  conditions条件；环境，形势
congratulation  祝贺  congratulations祝贺词
content内容；容量；满足  contents目录
convenience  便利，方便  conveniences  便利设备
custom习俗    customs海关
damage损害；毁坏  damages赔偿费
finding发现，发现物  findings调查（研究）结果
force力；力量；势力  forces兵力；军队
glass玻璃    glasses眼镜
height高；高度  heights高地/处
humanity人类；人性  humanities人文科学
import进口；输入  imports进口商品；要旨，含义
interest ；关心；利息  interests利益；利害
instruction指导；指示  instructions  用法说明（书）；操作指南
lesson功课；课  lessons课程；教训
liability责任；义务  liabilities债务
manner举止；方式  manners礼貌，风度；规矩，风俗
mass大量；团，块  masses众；质量
measure尺寸，大小  measures措施，办法
minute分钟    minutes会议记录
necessity必要/然性；需要  necessities必需品
observation  观察；监视  observations观察资料或报告；言论
pain疼痛    pains努力、辛劳
paper纸    papers文件
poll民意测验    polls选举，大选
proceeding行动；进行  proceedings会议记录；学报
provision供应；准备；规定  provisions给养，口粮
quarter四分之一  quarters方向；地区；住处
rail栏杆，围栏  rails铁路；轨道
respect尊敬，尊重  respects敬意，问候
ruin毁灭，崩溃  ruins废墟，遗迹

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