1、名词后缀
-ability，-ibility
possible → possibility stable → stability flexible → flexibility
responsible → responsibility -al
arrive → arrival survive → survival refuse → refusal try → trial
-ance，-ence
enter → entrance appear → appearance prefer → preference rely → reliance
-ancy，-ency
current → currency expect → expectancy emerge → emergency tend → tendency -cy
private → privacy accurate → accuracy politics → policy -ery
discover → discovery recover → recovery brave → bravery rob → robbery
-ion，-ition，-ation act → action
expose → exposition observe → observation compose → composition
-ity，-ty
real → reality secure → security prior → priority
superior → superiority -ment
move → movement argue → arguement achieve → achievement assign → assignment -ness
busy → business dark → darkness happy → happiness sad → sadness -ship
hard → hardship friend → friendship scholar → scholarship member → membership -th
true → truth grow → growth long → length strong → strength -ure
press → pressure fail → failure
expose → exposure depart → departure
2、动词后缀 -en
deep → deepen fast → fasten fright → frighten threat → threaten
-ify
beauty → beautify class → classify simple → simplify pure → purify -ize
real → realize
apology → apologize special → specialize summary → summarize
3、形容词后缀
-able，-ible
comfort → comfortable suit → suitable visible → invisible
question → questionable -al
nature → natural culture → cultural tradition → traditional race → racial
-ant，-ent
differ → different please → pleasant urge → urgent tolerate → tolerant -ate
fortune → fortunate consider → considerate proper → appropriate accurate， adequate -ful
beauty → beautiful power → powerful pain → painful peace → peaceful