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

词根：-sign-

【词根含义】：标记

【词根来源】：来源于拉丁语动词signo, signare, signavi, signatus(标记)。

【同源单词】：assign, assignment, design, designate, designer

词根词缀：-ant, -ants

【来源及含义】Latin: a suffix; a person who, the thing which; people who, things which

【同源单词】abdicant, aberrant, abundant, abundantly, acanthopore, accelerant

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

词根词缀：sign-

【来源及含义】Latin: mark, token, indication; a fact, a condition, or a quality

【同源单词】assign, assignable, assignably, assignation, assignee, assigner