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

词根词缀：pessim-

【来源及含义】Latin: bad, worst

【相关词根词缀】Inter-related cross references, directly or indirectly, involving word units meaning "bad, wrong": caco-, kako-; dys-; mal-; mis-; sceler-.

【同源单词】Afro-pessimism, pessimal, pessimism, pessimist, pessimistic, pessimistically