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 defend offend 19 fer 拿 prefer infer defer confer 20 fess 说话 confess profess 21 fin 边线/边界 finite finish infinite definite indefinite 22 flex 使弯折 flexible reflect 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 minderstand 34 mit 放射/传送 emit commit bmit 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 44 ply 含义/内容 reply imply pply45 pot 坛子 potent potential impotent 46 press 按压 compress pressing oppress repress ppress 47 priv 权利 private deprive derive privilege 48 scend 行走 descend ascend 49 scrib 写 describe prescribe bscribe postscript manuscript 50 sembl 集聚 assemble resemble 51 semi 一半 semi-final 52 sent 感觉/感官 assent consent dissent 53 serv 安放 preserve conserve reserve deserve 54 sign 图标/符号 assign design resign 55 sol 太阳 solar system; solitary console isolate 56 spec/spect 看 respect respective inspect prospect perspecitive 57 sper/spir 呼吸 inspire conspire expire prosper desperate 58 stit 坐 institute bstitue constitute 59 m 归 mmarize mmary conme reme 60 tain 拿着/托着 retain contain attain detain distain 61 tend 伸展/展开 extend tend intend tendency 62 text 编织 texture context pretext 63 tract 地域/地带 attract tractor tractable intractable 64 trans 通过/穿过 transport transit transmit transplant 65 tribute 贡品 attribute distribute contribute 66 un 没有 uninterested 67 uni 一个 uniform unique 68 vac 空/空的 vacant vacuum evacuate 69 vers/vert 转换/转向 conversation anniversary reverse introvert 70 vis 看 vision visit pervise advise 71 voc 说话 vocal vocation advocate 72 vent 来/来临 advent ventilate convention补充： ab 强调/否定aboriginalabuse absolute abnormalad 倾向于pro 倾向于re 二次/反复 1. 不 (a; dis; im; in; ir; il; non; un): amoral; 与道德无关的 atypical pneumonia; 非典 abnormal; 反常的 disable; 使残废 immearable; 不可估量的 impartial; 公平的 inadequate; 不充分的 inaccessible;