词根：-rap-, -rav-, -rapt-

【词根含义】：抓

【词根来源】：来源于拉丁语动词rapio, rapere, rapui, raptus(抓)。

【同源单词】：rapacious, rapacity, rape, rapid, rapidity

词根词缀：-acious

【来源及含义】Latin: suffix; forming adjectives; inclined to, given to, tendency to be, abounding in

【同源单词】alliacious, audacious, capaciously, ceracious, difficacious, efficacious

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：rap-, rav-

【来源及含义】Latin: tearing away, seizing, swift, rapid; snatch away, seize, carry off; from Latin rapere, "to seize by force and to carry off"

【同源单词】correption, enrapt, enrapture, enraptured, fluviraption, nonusurping