un- / in- / im- 否定：不、非
unhappy, invalid, impossible
dis- 相反、分开、否定
disagree, dislike, disappear
mis- 错误地
mistake, misunderstand, misuse
re- 再次、回
repeat, return, rebuild
pre- 之前
preview, predict, prepare
post- 之后
postpone, postwar
fore- 预先、前
forecast, foresee, forehead
sub- 下、次级
submarine, subway, subtitle
super- / sur- 超、上
superman, surface, supervise
inter- 之间
international, internet, interact
trans- 横跨、转换
transport, transform, translate
over- 过度、上方
overwork, overcome, overlook
under- 不足、下方
underestimate, underground
ex- 向外、前任
export, exit, ex-wife
en- / em- 使…（构成动词）
enlarge, enable, empower
co- / con- / com- 共同
cooperate, connect, combine
de- 去除、向下
decrease, destroy, defrost
auto- 自己
automatic, autograph, autonomy
tele- 远
telephone, television, telescope
multi- 多
multimedia, multiple
spect / spec 看
inspect, respect, spectator
vis / vid 看
vision, video, visible, evident
port 拿、运
transport, export, portable
dict 说
predict, dictionary, contradict
scrib / script 写
describe, script, subscribe
ject 投
reject, project, inject
struct 建造
construct, structure, instruct
duc / duct 引导
produce, reduce, conduct
mit / miss 送
submit, mission, dismiss
ven / vent 来
prevent, invent, event
tract 拉
attract, extract, contract
form 形状
reform, transform, uniform
pos / pon 放
position, compose, postpone
ten / tain 握、持
maintain, contain, content
graph / gram 写、画
photograph, grammar, diagram
logy 学科
biology, psychology, technology
phon 声音
telephone, microphone, symphony
cred 相信
credit, incredible, credible
vit / viv 生命
vital, survive, vivid
-tion / -sion 名词后缀（动作/状态）
action, decision
-ment 名词后缀
payment, movement, government
-ness 名词后缀（性质）
kindness, happiness
-ity 名词后缀（性质）
ability, reality, activity
-er / -or 名词后缀（人/物）
teacher, actor, computer
-ist 名词后缀（人）
artist, scientist, tourist
-ful 形容词后缀（充满）
helpful, useful, beautiful
-less 形容词后缀（没有）
hopeless, careless, useless
-ous 形容词后缀
famous, dangerous, nervous
-al 形容词后缀
natural, national, personal
-ive 形容词后缀
active, creative, positive
-able / -ible 形容词后缀（能…的）
comfortable, possible, visible
-ize / -ise 动词后缀（使…化）
organize, realize, modernize
-ify 动词后缀（使…）
simplify, clarify, identify
-ly 副词后缀（多数）
quickly, happily, carefully