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：humid-, humor-

【来源及含义】Latin: moist, moisture, wet, damp

【相关描述】The correct spelling of the Latin origins is umor, umere, umidus. The spelling with the initial h is a result of folk (false) etymology, which once associated these words with Latin humus, "earth".

【相关词根词缀】Related "jest; joke; wit; humor; funny" word units: faceti-; farc-; jocu-; lud-; satir-.

【同源单词】dehumidify, humid, humidification, humidifier, humidify, humidistat