gang-rape vs ravish

gang-rape and ravish both are verbs.

Word	Noun	Adjective	Verb	Adverb
gang-rape	No	No	Yes	No
ravish	No	No	Yes	No

As verbs, ravish is a hypernym of gang-rape; that is, ravish is a word with a broader meaning than gang-rape:

Other hypernyms of gang-rape include assault, dishonor, dishonour, outrage, rape, violate.

gang-rape (verb)	ravish (verb)
rape (someone) successively with several attackers	hold spellbound
	force (someone) to have sex against their will