词根词缀：-ous, -ious, -eous

【来源及含义】Latin: full of or having the qualities of; in chemistry, a suffix denoting that the element indicated by the name bearing it, has a valence lower than that denoted by the termination -ic; as, nitrous, sulphurous, etc., as contrasted with nitric, sulphuric, etc.

【相关描述】Only a small number of the hundreds of examples are presented because there are just too many to include at this time.

【同源单词】abdominous, abiogenous, ablepharous, abstemious, acanthaceous, acanthocephalous

词根词缀：seri-, serio-

【来源及含义】Latin: weighty, important, grave [from French sérieux (feminine sériuse), from Late Latin seriosus, from earlier Latin serius]

【同源单词】jocoserious, overserious, seriocomic, serious, seriously, seriousness