prolapse vs go down

prolapse is a noun but go down is not a noun.

Word	Noun	Adjective	Verb	Adverb
prolapse	Yes	No	Yes	No
go down	No	No	Yes	No

As verbs, go down is a hypernym of prolapse; that is, go down is a word with a broader meaning than prolapse:

Other hypernyms of prolapse include come down, descend, fall.

prolapse (noun)	go down (noun)
the slipping or falling out of place of an organ (as the uterus)

prolapse (verb)	go down (verb)
slip or fall out of place, as of body parts	grow smaller
	stop operating
	be defeated
	be ingested
	go under
	disappear beyond the horizon
	move downward and lower, but not necessarily all the way
	be recorded or remembered