rupture vs herniation

rupture and herniation both are nouns.

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

As nouns, herniation is a hyponym of rupture; that is, herniation is a word with a more specific, narrower meaning than rupture:

rupture: state of being torn or burst open
herniation: rupture in smooth muscle tissue through which a bodily structure protrudes

Other hyponyms of rupture include hernia, herniated disc, ruptured intervertebral disc, slipped disc.

rupture (noun)	herniation (noun)
the act of making a sudden noisy break	rupture in smooth muscle tissue through which a bodily structure protrudes
a personal or social separation (as between opposing factions)
state of being torn or burst open

rupture (verb)	herniation (verb)
separate or cause to separate abruptly