rive vs rupture

rive is not a noun while rupture is a noun.

Word	Noun	Adjective	Verb	Adverb
rive	No	No	Yes	No
rupture	Yes	No	Yes	No

As verbs, rupture is a hypernym of rive; that is, rupture is a word with a broader meaning than rive:

Other hypernyms of rive include bust, snap, tear.

rive (noun)	rupture (noun)
	the act of making a sudden noisy break
	a personal or social separation (as between opposing factions)
	state of being torn or burst open

rive (verb)	rupture (verb)
tear or be torn violently	separate or cause to separate abruptly
separate or cut with a tool, such as a sharp instrument