conk vs drown

conk is a noun but drown is not a noun.

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

As verbs, drown is a hyponym of conk; that is, drown is a word with a more specific, narrower meaning than conk:

conk: pass from physical life and lose all bodily attributes and functions necessary to sustain life
drown: die from being submerged in water, getting water into the lungs, and asphyxiating

Other hyponyms of conk include abort, asphyxiate, stifle, suffocate, buy it, pip out, predecease, famish, starve, fall, succumb, yield.

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

conk (verb)	drown (verb)
pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain	die from being submerged in water, getting water into the lungs, and asphyxiating
pass from physical life and lose all bodily attributes and functions necessary to sustain life	kill by submerging in water
hit, especially on the head	get rid of as if by submerging
come to a stop	cover completely or make imperceptible
	be in danger of dying from submersion in a liquid and asphyxiation
	be covered with or submerged in a liquid