conk vs pass out

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

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

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

conk and pass out: pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain

Other synonyms of conk include faint, swoon.

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

conk: pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain
pass out: lose consciousness due to a sudden trauma, for example

Other hypernyms of conk include black out, zonk out.

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

conk (verb)	pass out (verb)
pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain	pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain
pass from physical life and lose all bodily attributes and functions necessary to sustain life	lose consciousness due to a sudden trauma, for example
hit, especially on the head	give to several people
come to a stop