词根：-fac-, -fic-, -fect-, -fact-, -feat-

【词根含义】：做,作

【词根来源】：来源于拉丁语动词facio, facere, feci, factus(做,作)。

【同源单词】：benefit, counterfeit, facile, facilitate, facility

前缀：counter-

【词根含义】：相反,相对

【词根来源】：中古英语为countre-，来源于中古法语前缀contre-或副词contre。

【同源单词】：counteract, counteragent, counterfeit, counterpart, countervail

词根词缀：contra-, contro-, counter, contre-

【来源及含义】Latin: against, opposed to, opposite, conflicting, different, clashing, unaccommodating

【同源单词】accounter, acrocontracture, contentious, contraband, contrabandist, contrabass

词根词缀：fac-, facil-, fact-, feas-, -feat, -fect, -feit, -facient, -faction, -fic-, -fy, -ficate, -fication

【来源及含义】Latin: to make, to do, to build, to cause, to produce; forming, shaping

【同源单词】Ab officio et beneficio, abortifacient, absorbefacient, absorbifacient, acoustoelectric effect, affair