词根词缀：em-, emp-, empt-; sump-, -sum-

【来源及含义】Latin: a taking, to take, to take up, to buy, to select; to use, to spend, to consume

【同源单词】absumption, assume, assumed, assumer, assuming, assumpsit

词根词缀：sincer-

【来源及含义】Latin: sound; pure, clean, whole, genuine, untainted

【同源单词】insincere, insincerely, insincerity, Prompte et sincere, sincere, sincerely