1、名词词缀：-tion accommodation-sion collision-dom kongdom-ance acceptance-ity creativity-hood childhood-ery recovery-ship friendship kinship-tude attitude solitude altitude longtitude-ism indusrtialism-cracy democracy-logy biology-ment experiment-al burial arrival refusal-er writer-or governor psychologis
2、t chemist-ist dentist-ee trainee retiree-ant attendant-ic comic epidemic形容词词缀：-ate moderate-ous gorgeous-al normal additional-ing outstanding-ed bored-able comfortable-ible sensible-ish sluggish-ile fertile-y sunny-ic economic-cal logical-ory sensory-less hopeless-ive competitive-ly respectively-ful colorful动词词缀：-fy-ify purify qualify-ize memorize-en strengthen blacken-er recover-ate dictate副词词缀：-ly usually
