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

词根词缀：puer-

【来源及含义】Latin: boy, child

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