词根词缀：fili-

【来源及含义】Latin: son, and by extension, "daughter; offspring" or "family member"

【同源单词】affiliate, affiliation, Ecclesiae filii, filial, filially, filiate

词根词缀：-ity

【来源及含义】Latin: suffix used to form abstract nouns expressing act, state, quality, property, or condition corresponding to an adjective

【同源单词】abnormality, absorbability, acclivity, acerbity, acridity, acrity