常见词根

1.Fact-= make; do,{变化型} fect.

高考:fact; factor; factory; difficult; affect; affair; defeat

TOEFL: manufacture; faculty; infect; deficient; magnificent; proficient; sufficient; feasible;

SAT: faction; benefactor; facile; facility; facsimile; affectation; affection; defect; effectual;

imperfect; efficacy; efficient; profitable; feature; counterfeit; surfeit

2.Sist-, st-+ vowel= stand, 衍生出“静止”,“持续”,“固定”,“隐忍顺从”之意.8

高考:assist; assistant; consist; exist; existence; insist; resist; institute; stage; state; station;

constant; distance; system

TOEFL: consistent; persist; irresistible; substitute; stable; establish; contrast; obstacle; static;

statistics; statue; status; estate; steady; destine; destiny; destination; distant; substance;

restore;

SAT: subsist; constitute; constitutional; restitution; superstition; obstinate; statement; statute;

steadfast; extant; instant; substantial; stall; install; apostasy; ecstasy;

3.Pose-= place; put.

高考:pose; position; post; postage; expose; purpose; suppose; pause

TOEFL: positive; compose; composition; decompose; deposit; dispose; exposure; exposition;

oppose; opposite; propose;

SAT: apposite; composure; depose; disposition; impose; impostor; predisposition; proposal;

4.Ply-= fold. {变化型} pli, ple.

高考:apply; exploit; employ; employee; employer; simple;

TOEFL: applicable; applicant; application; imply; implicit; replicate; complicated; complex;

explicit; display; diploma; diplomatic; multiply

SAT: pliable; implicate; complicity; explicate; perplex; supplicate; deploy; simplicity; duplicate;

triple;

5.Vers, vert-= to turn5

高考:advertise; universe; university

TOEFL: version; vertical; vertigo; vortex; adverse; adversary; adversity; anniversary; divorce;

reverse

SAT: versatile; vertex; avert; averse; aversion; controvert; incontrovertible; converse; convert;

diverse; divert; diversion; extrovert; inadvertent; introvert; invert; inverse; pervert; perverse;

revert;

6.Vid, vis-= to see6

高考:visa; vision; visit; advise; advice; provide; television; interview; review;

TOEFL: visible; invisible; visual; visualize; evident; evidence; evidence; prudent; supervise;

supervisor;

SAT: visionary; envy; invidious; improvise; providence; improvidence; provision; purveyor;

revise; surveillance; survey;

7.Act-= act 3

高考:act; action; active; actual; exact; exactly;

TOEFL: activate; transact; agency; agent; agile;

SAT: enact; exacting; exaction; inaction; interact; agitate; agony; cogent; cogitate; prodiga

l

8.Cede-= go; yield. {变化型} ceed, cess.

高考: succeed; success.

TOEFL: access; accessible; exceed; excess; proceed.

SAT: accede; antecede; cede; cessation; exceedingly; incessant; precede; procession; recede;

recession; secede; secession; successive.

9.Ceive-= take. {变化型} cept, cip, cipate5

高考:accept; except; receive; receipt.

TOEFL: conceive; concept; conception; deceive; deception; deceptive; perceive; perceptive;

reception; anticipate; participate.

SAT: deceit; exceptionable; inception; perceptible; precept; recipient; susceptible;

emancipate.

10.Fer-= carry, bear6

高考:ferry; different; offer; prefer; suffer.

TOEFL: fertile; fertilize; circumference; conference; differentiate; infer; inference; preferable;

refer; transfer.

SAT: defer; deference; indifferent.

11.Miss-, mit-= send, throw5

高考:missile; message; admit; admission; commission; dismiss; permit; promise;

TOEFL: mission; commit; compromise; emit; emission; promising; submit; transmit.

SAT: missionary; demise; intermit; omit; omission; premise; remission; surmise.

12.Passi- = suffer, feelings. {变化型} pati-, path-3

高考:patient; patience;

TOEFL: passion; passionate; passive; compassion; sympathetic; sympathy

SAT: dispassion; impassion; impassive; impatient; compatible; incompatible; pathos; pathetic;

pathology; antipathy; apathy; empathy;

13.Spec-= see; look 5

高考:spy; species; special; scope; expect; inspect; respect; suspect.

TOEFL: specimen; spice; spectacle; spectator; speculate; conspicuous; despise; despicable;

despite; aspect; circumspect; perspective; prospect; suspicious.

SAT: specify; specific; specious; spectrum; perspicacious; introspect; inconspicuous;

retrospect;

14.Tain-= hold; keep. {变化型}ten, tin 5

高考:continue.

TOEFL: contain; content; continental; entertain; maintain; obtain; sustain; sustainable;

sustenance.

SAT: tenable; tenacious; tenacity; tenet; tenor; tenure; abstain; abstinence; container;

countenance; impertinent; obtain; sustain; sustainable.

15.Tend-= stretch. {变化型}tens, tent

高考:tense; tent; attend; attention; intend; pretend.

TOEFL: tendency; intense; intent.

SAT: tensile; contention; contentious; distend; extend; extent; intentional; ostensible;

portend; pretentious; superintend.

16.Altar-= other. {变化型} altr, ali3

高考:

TOEFL: alter, alternate, alternation, alien.

SAT: altercation, alternative; altruism; alienate; alias; alibi; adulterate.

17.Cad-= fall. {变化型}cid, cas

高考:accident; coincidence; case.

TOEFL: occasional.

SAT: cadence; decadence; deciduous; incidence; incidental; cascade; casualty.

18.Cern-= separate. {变化型} cret6

高考:secret; secretary.

TOEFL: concern; discern; discreet; discretion; secretion.

SAT: discrete.

19.Clud-= shut; close, {变化型}claus, close, clus.

高考:close; conclude; conclusion; include; inclusion.

TOEFL: closet; enclose; conclusive; exclude.

SAT: clause; claustrophobia; exclusive; preclude; recluse; seclude; cloister.

20.Cre-= make; grow. {变化型} cresc

高考:create; creative; decrease; increase.

TOEFL: creature; concrete; concretion; re-create; recreation.

SAT: accretion; decrepit; increment.

21.Cur-= run. {变化型}course

高考:occur; occurrence.

TOEFL: current; curriculum;

SAT: concurrence; cursive; cursory; discursive; excursive; incur; incursion; precursor; recur;

recurrent; discourse; intercourse; recourse.

22.Duce-= lead. {变化型} duct.2

高考:conduct; conductor; introduction; produce; product; production; reduce

TOEFL: abduct; deduce;

SAT: deducible; deduction; ductile; induce; productive; seduce; subdue; superinduce.

23.Fin-= end. {变化型}2

高考:fine; final; finish.

TOEFL: fiancé; confine; define; definite; refine.

SAT: finale; financial; infinite; definition; indefinite; refinement.

24.Flu-= flow3

高考:fluent; flood; influence.

TOEFL: fluid; flume; fluctuate; influential; influx.

SAT: influent; superfluous; overflow.

25.Fuse-= pour. {变化型}found3

高考:refuse.

TOEFL: diffuse.

SAT: fuse; confound; confuse; confusion; diffusive; infuse; profuse; futile; refute.

26.Form-= form.

高考:form; inform; information; perform; performance.

TOEFL: formal; formula; conform; conformance; conformity; deform; reform; transform;

uniform.

SAT: formality; informality; formation; multiform.

27.Gener-= produce; race2

高考:gene; general; generation; genius; gentle.

TOEFL: generalize; generate; regenerate; generous; genetics; genial; congenial; homogeneity;

ingenious; genuine; hydrogen; nitrogen; oxygen.

SAT: genealogy; degenerate; engender; genesis; congenital; ingenuous; cognate.

28.Grad-= walk. {变化型} gress1

高考:grade; graduate; aggression; progress.

TOEFL: congress.

SAT: degradation; postgraduate; retrograde; ingredient; digress; digressive; egress.

29.Gram-= write. {变化型} graph4

高考:grammar; program; geography; telegraph.

TOEFL: diagram; biography.

SAT: epigram; programmer; choreography; topography.

30.Ject-= throw {变化型} jac 2

高考:object; project; reject; subject.

TOEFL: inject; objective; subjective; adjacent.

SAT: abject; conjecture; interject; objection; projectile; subjection; trajectory.

http://m.wendangku.net/doc/62f533a1541810a6f524ccbff121dd36a22dc417.htmlte-= bring; bear

高考:relate; relation; translate; delay.

TOEFL:

SAT: collate.

32.Lect-= choose; gather; read {变化型} leg 4

高考:lecture; collect; elect; intellect; select;

TOEFL: election; intellectual; neglect; legend; legendary; elegant; eligible; intelligent;

negligent; negligible.

SAT: recollect; diligent; intelligible; sacrilege.

33.Log-= speak {变化型} loqu, locut 4

高考:dialog; apology.

TOEFL: catalog; logical.

SAT: epilog; monolog; prolog; analogy; eulogy; colloquial; eloquent; loquacious; soliloquy;

circumlocution.

34.Logy-= study of(~学;~论)4

高考:biology

TOEFL: archeology; geology; psychology.

SAT: anthropology; etymology; genealogy; mythology; ornithology; pathology; philology;

physiology; theology.

35.Mov-= move {变化型}mob, mot

高考:move; movement; mobile; motor; moment.

TOEFL: removal; automobile; motion; motivate; motive; emotion; locomotion; promote;

remote.

SAT: remove; mob; immovable; motif; commotion; momentous; momentum; mutiny.

36.Part-= part

高考:part; particular; partner; apartment; depart; department; departure; parcel.

TOEFL: partial; participate; particle; partnership; apart; counterpart; impart; impartial;

portion; proportion.

SAT: partisan; partition.

37.Pel-= drive {变化型} puls

高考:pulse

TOEFL: compel; compulsory; expel; impulse; propel; repel; appeal; appealing.

SAT: dispel; impel; repeal.

38.Phon-= sound; speak {变化型} phe 5

高考:telephone.

TOEFL:

SAT: cacophony; euphony; symphony; blaspheme; euphemism; prophecy.

39.Plen-= full; fill {变化型} plete, ple, pli, ply.3

高考:plenty; complete; supply.

TOEFL: plentiful; amplify; complement; complementary; comply; compliment; deplete;

implement; replenish; supplement; supplementary; accomplish.

SAT: plenitude; ample; compliant; replete.

40.Press-= press3

高考:press; pressure; compress; express; impress.

TOEFL: depress; impressionism; impressive; suppress.

SAT: oppress; repress.

41.Pris-= seize. {变化型} prehend 7

高考:prison; prisoner; surprise; prize.

TOEFL: enterprise; enterprising; prehensile; comprehend; comprehensible.

SAT: apprise; comprise; reprisal; prehensile; apprehend; apprenticeship; reprehend;

reprehensible.

42.Prob-= test; try; examine {变化型} prov 7

高考:prove; probable; probability; improve.

TOEFL: proof; approve.

SAT: probe; approvable; disapprove; disprove; reprobate; reprove; reprieve.

43.Quire-= seek {变化型} quisit, quest.

高考:question; require; requirement; request.

TOEFL: questionnaire; acquire; inquire; prerequisite.

SAT: query; conquer; inquiry; perquisite.

44.Rect-= right; straight

高考:rectangle; correct; direct; directive; director; incorrect; indirect.

TOEFL: erect.

SAT: rectify; rectitude; escort.

45.Scribe-= write {变化型} scriptus4

高考:describe; description; prescription.

TOEFL: ascribe.

SAT: scribble; circumscribe; indescribable; manuscript; prescribe; proscribe; transcribe.

46.Sect-= cut {变化型} sectus

高考:section; insect.

TOEFL: dissect; insecticide; intersect; segment.

SAT: sectarian; bisect.

47.Sed-= sit {变化型} sess, sid.5

高考:possess; possession; president.

TOEFL: sediment; reside; residence; consult.

SAT: sedate; sedentary; sedulous; assess; assiduous; insidious; obsessive; unprepossessing;

presidency; residual; subside; subsidy; subsidiary; supersede; besiege; exile.

48.Sens-= feel {变化型} sent3

高考:sense; sentence.

TOEFL: sensible; sensitive; sensory; sentimental; nonsense; scent.

SAT: sensual; sensational; assent; dissent; insensitive; presentiment; resent; resentment.

49.Sequ-= follow {变化型} secut, su.5

高考:suit; suitable.

TOEFL: sequence; consequence; execute; ensue; pursuit.

SAT: sequacious; inconsequential; obsequious; sue.

50.Serv-= serve; keep.

高考:serve; servant; service; conservation; reserve.

TOEFL: conserve; deserve; observe; preserve.

SAT: servile.

51.Sign-= mark.

高考:sign; signal; signature; design.

TOEFL: significant; assign.

SAT: signify; resign; resignation.

52.Sol-= alone.

高考:solid.

TOEFL: sole; consolidation.

SAT: solitude; solo; solemn; soliloquy; console; solace; desolate.

53.String-= draw tight {变化型} strict, strain, stress.5

高考:string; straight; stress; strict; district; restrict.

TOEFL: strain; strait; stretch; constrain; distress; restrain.

SAT: stringent; stricture; astringent; constrict.

54.Stru, struct-= build 8

高考:construct; construction; destroy; instruct; instruction; instrument.

TOEFL: structure; obstruct.

SAT: reconstruct; construe; instructor; misconstrue.

55.Tang-= touch. {变化型}tact.

高考:

TOEFL: tact; tactics; contact; contagious; integral; integrate; integrity.

SAT: tangent; tangible; tactile; contiguous; intangible; integer; attain; taint.

http://m.wendangku.net/doc/62f533a1541810a6f524ccbff121dd36a22dc417.html, uti-= to use.

高考:use; useful; useless; usual.

TOEFL: usage; utilize.

SAT: usurp; utensil; abuse; abusive; misuse; peruse.

57.Val, vail-= strong; worth

高考:valid; value; valuable; valuation.

TOEFL: available; evaluate; equivalent; prevail; prevalent; prevailing.

SAT: valiant; validate; valor; convalesce.

58.Ven, vent-= to come.

高考:adventure; convention; conventional; event; eventual; invent; inventor; prevent;

avenue; souvenir.

TOEFL: venture; convenient; inventory; revenue.

SAT: advent; adventitious; venturesome; circumvent; convene; intervene.

59.Vi, voy-= way.7

高考:voyage; obvious.

TOEFL: viable; convey; previous.

SAT: deviate; devious; obviate; impervious; trivial.

60.Viv-= to live.5

高考:vitamine; vivid.

TOEFL: vital; vitality; vitalize; survive; survival.

SAT: viand; vivacious; convivial; revitalize; revive;

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