词根词缀：deon-, deont-

【来源及含义】Greek: duty, that which is binding; obligation; necessity

【同源单词】deontic, deontic logic, deontological, deontological ethics, deontologism, deontologist

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