词根词缀：cav-, cavo-, cava-, cavi-, cavern-

【来源及含义】Latin: hollow, a hollow place; chasm; prison

【相关词根词缀】 Related "cave, cavern" word sources: speleo-; spelunc-, spelunk-; stalac-, stalag-; troglo--.

【同源单词】angiocavernoma, biconcave, bulbospongiosus, cage, cajole, cajolement

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