下面介绍的就是sat词汇必备词根词缀精选，很多单词拥有一个词根，把这些同一词根单词，汇总在一起，之后组成了sat作文背起来会轻松一些，下面澳际教育为大家详细介绍一下。

1.act 行为/举止 active action activate

2.cap 罩着/盖着 capable capacity capacious

3.ceive 做(事情) conceive perceive receive deceive

4.cess 行走 process concess access recess recessionary

5.cide 切割 decide incidence accident

6.cite 说话 recite cite excite

7.com/con/co 合在一起 cooperation collaboration company conform

8.counter 相对的 counterstrike (C.S.) counterpart

9.de 往下 decline decide department

10.dem/demo 人/人民 democracy epidemic

11.dict/dic 说话 predict dicionary dedicate addict

12.dis 距离/分开 distance disinterested

13.dom 领域 dominate predominate domain kingdom

14.e往外(也可做为单词结束标志)evoke eject emit

15.epi 之上/之中 epilog epidemic

16.evit 生命 longevity inevitable

17.ex 往外 exit excit external

18.fend 遮挡物 dend offend

19.fer 拿 prer infer der confer

20.fess 说话 confess profess

21.fin 边线/边界 finite finish infinite dinite indinite

22.flex 使弯折 flexible rlect

23.flu 流动 flu fluent flush fluctuate

24.gress 行走 congress progress aggressive

25.ject 射/喷射 reject eject inject deject

26.im/in 里面/否定 intractable

27.leg 腿 legal illegal legislation (isl：通道)delegate allege

28.less 没有 careless valueless priceless worthless

29.liter 文字 literature literal illiterate literary

30.main 手 maintain

31.mand 命令 demand command

32.min/mini 小 minute minimize

33.mis 错误的 mistake misunderstand

34.mit 放射/传送 emit commit submit transmit

35.mod 模式/模型/模具 mode modify model commodity

36.mono 一个 monotone monotonous = boring；

37.nat 本身的/自然的 natural native

38.nov 心奇/心意 novel (adj.) novelty innnovate

39.opt 选择 optional adopt optimism

40.para 相对的 parallel parasite paradox (dilemma)

41.part 一部分 partial impartial apart apartment

42.pens 钱 dispense compensate

43.plex 使弯折 perplex complex

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