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：sap-, sapi-

【来源及含义】Latin: wise, wisdom, to be wise, to have wisdom; to know, knowledge; to taste [of], to perceive

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units meaning "know, knowledge; learn, learning": cogni-; discip-; gno-; histor-; intellect-; learn, know; math-; sci-; sopho-.

【同源单词】Homo sapiens, insipid, insipidity, insipience, insipient, insipiently