rupture vs slipped disc

rupture and slipped disc both are nouns.

Word	Noun	Adjective	Verb	Adverb
rupture	Yes	No	Yes	No
slipped disc	Yes	No	No	No

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

rupture: state of being torn or burst open
slipped disc: a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region

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

rupture (noun)	slipped disc (noun)
the act of making a sudden noisy break	a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region
a personal or social separation (as between opposing factions)
state of being torn or burst open

rupture (verb)	slipped disc (verb)
separate or cause to separate abruptly