词根词缀：frustrat-, frustra-

【来源及含义】Latin: in vain, in error; to deceive, to disappoint

【同源单词】biofraud, defraud, defrauded, defrauder, electoral fraud, fraud

词根词缀：-olent, -ulent

【来源及含义】Latin: a suffix; full of, disposed to

【同源单词】acidulent, benevolent, corpulent, diversivolent, esculent, esculent swallow