ruptured intervertebral disc vs slipped disc

ruptured intervertebral disc and slipped disc both are nouns.

Word	Noun	Adjective	Verb	Adverb
ruptured intervertebral disc	Yes	No	No	No
slipped disc	Yes	No	No	No

As nouns, ruptured intervertebral disc and slipped disc are synonyms defined as:

ruptured intervertebral disc and slipped disc: a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region

Other synonyms of ruptured intervertebral disc include herniated disc.

ruptured intervertebral disc (noun)	slipped disc (noun)
a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region	a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region