conk out vs run out

conk out and run out both are verbs.

Word	Noun	Adjective	Verb	Adverb
conk out	No	No	Yes	No
run out	No	No	Yes	No

As verbs, conk out and run out are synonyms defined as:

conk out and run out: use up all one's strength and energy and stop working

Other synonyms of conk out include peter out, poop out, run down.

conk out (verb)	run out (verb)
use up all one's strength and energy and stop working	use up all one's strength and energy and stop working
stop operating or functioning	prove insufficient
	exhaust the supply of
	become used up; be exhausted
	flow, run or fall out and become lost
	flow off gradually
	leave suddenly and as if in a hurry
	lose validity