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：-ism, -ismus

【来源及含义】Greek, ismos; Latin, ismus: a suffix: belief in, practice of, condition of, process, characteristic behavior or manner, abnormal state, distinctive feature or trait

【同源单词】abaptism, abolitionism, abortionism, abrakophilism, absenteeism, absolutism