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：naphth-, naphtho-

【来源及含义】Greek > Latin: volatile petroleum derivative; containing, or derived from the coal-tar derivative naphthol

【同源单词】naphtha, naphthalene, naphthalic, naphtholism