conk vs conk out

conk is a noun but conk out is not a noun.

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

conk (noun)	conk out (noun)
informal term for the nose

conk (verb)	conk out (verb)
pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain	use up all one's strength and energy and stop working
pass from physical life and lose all bodily attributes and functions necessary to sustain life	stop operating or functioning
hit, especially on the head
come to a stop