go down vs conk out

go down and conk out both are verbs.

Word	Noun	Adjective	Verb	Adverb
go down	No	No	Yes	No
conk out	No	No	Yes	No

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

Other hypernyms of go down include break, break down, die, fail, give out, give way, go, go bad.

go down (verb)	conk out (verb)
grow smaller	use up all one's strength and energy and stop working
stop operating	stop operating or functioning
be defeated
be ingested
go under
disappear beyond the horizon
move downward and lower, but not necessarily all the way
be recorded or remembered