词根词缀：-ative

【来源及含义】Latin: a suffix; tending to

【同源单词】acceleratory, accumulative, agglomerative, agglutinative, agitative, alterative

词根词缀：lucr-

【来源及含义】Latin: wealth, wealthy, rich; gain, profit, money; avarice

【同源单词】lucrative, lucratively, lucre, lucriferous, lucrific