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：-fy

【来源及含义】Latin: a suffix; make, do, build, cause, produce

【同源单词】acidify, aerify, albify, amplify, arborify, aurify

词根词缀：mort-, mor-, mori-, morti-

【来源及含义】Latin: death, dead; die, dying

【相关词根词缀】 Related "death, dead; kill" units: -cide; lethal-; neci-; necro-; phono-; thanato-.

【同源单词】abmortal, admortal, alamort, algor mortis, amort, amortality