exit vs drown

exit is a noun but drown is not a noun.

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

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

exit: 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 exit include abort, asphyxiate, stifle, suffocate, buy it, pip out, predecease, famish, starve, fall, succumb, yield.

exit (noun)	drown (noun)
the act of going out
an opening that permits escape or release
euphemistic expressions for death

exit (verb)	drown (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	die from being submerged in water, getting water into the lungs, and asphyxiating
lose the lead	kill by submerging in water
move out of or depart from	get rid of as if by submerging
	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