rupture vs divide

rupture and divide both are nouns.

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

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

Other hypernyms of rupture include disunite, part, separate.

rupture (noun)	divide (noun)
the act of making a sudden noisy break	a ridge of land that separates two adjacent river systems
a personal or social separation (as between opposing factions)	a serious disagreement between two groups of people (typically producing tension or hostility)
state of being torn or burst open

rupture (verb)	divide (verb)
separate or cause to separate abruptly	perform a division
	move or break apart
	force, take, or pull apart
	make a division or separation
	separate into parts or portions
	act as a barrier between; stand between