词根词缀：crot-
【来源及含义】Greek: pulse beat
词根词缀：di-, dicho-, dich-
【来源及含义】Greek: number two; twice, divided, double; unalike; a number used as a prefix
【同源单词】diacanthous, diacid, diadelphous, dianthous, diarch, diarchy
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