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：frater-, frat-

【来源及含义】Latin: brother [family member]

【同源单词】archconfraternity, confrater, confraternity, confraternization, fraternal, fraternity

词根词缀：metro-, metr-

【来源及含义】Greek: mother [family member]

【同源单词】matronym, metrocracy, metrocracy, metronym, metropolis, metropolitan

词根词缀：nepot-, nepo-

【来源及含义】Latin: nephew; grandson, grandchild; descendant [family member]; nepotism, et al.

【相关描述】Said to be used in the Middle Ages by Catholic popes to show favoritism to their illegitimate children for positions of power. The use of  "nephew" was a euphemism for their "out-of-wedlock" offspring.

【同源单词】nepotal, nepotic, nepotious, nepotism, nepotist

词根词缀：pater-, patri-, patro-, patr-, -patria

【来源及含义】Latin: father, dad, pop (family member); fatherland, country, nation

【同源单词】allopatric, allopatric, allopatric speciation, allopatrically, allopatry, amor patriae

词根词缀：soror-, sorori-, soro-

【来源及含义】Latin: sister [family member]

【同源单词】Soroptimist, sororal, sororate, sororial, sororially, sororicidal