形容词变名词的后缀

-age

short→shortage不足,短缺

-cy

efficient→efficiency效率;功效

fluent→fluency流利;流畅

frequent→frequency时常;频繁

accurate→accuracy准确性

private→privacy隐私;私密

-dom

free→freedom自由;自主

wise→wisdom明智;智慧

-ence

different→difference差异

silent→silence沉默

-ness

weak→weakness虚弱;弱点

kind→kindness仁慈;好意

careless→carelessness粗心大意

-th/-y/-ty/ity

strong→strength力气;强项

warm→warmth温暖;热情

honest→honesty诚实

difficult→difficulty困难

cruel→cruelty残酷;残暴

safe→safety安全

disable→disability无能;伤残

responsible→responsibility责任