词根词缀：-ile, -il

【来源及含义】Latin: suffix; ability to, capable of, suitable for; pertaining to, like, belonging to, tending to

【同源单词】agile, docile, domicile, facile, fertile, fragile

词根词缀：puer-

【来源及含义】Latin: boy, child

【同源单词】puer aeternus, puerice, puericulture, puericulturist, puerile, puerilely