choke vs drown

choke is a noun but drown is not a noun.

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

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

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

choke (noun)	drown (noun)
a valve that controls the flow of air into the carburetor of a gasoline engine
a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current

choke (verb)	drown (verb)
breathe with great difficulty, as when experiencing a strong emotion	die from being submerged in water, getting water into the lungs, and asphyxiating
cause to retch or choke	kill by submerging in water
struggle for breath; have insufficient oxygen intake	get rid of as if by submerging
constrict (someone's) throat and keep from breathing	cover completely or make imperceptible
reduce the air supply	be in danger of dying from submersion in a liquid and asphyxiation
pass from physical life and lose all bodily attributes and functions necessary to sustain life	be covered with or submerged in a liquid
suppress the development, creativity, or imagination of
become stultified, suppressed, or stifled
be too tight; rub or press
become or cause to become obstructed
wring the neck of
impair the respiration of or obstruct the air passage of
check or slow down the action or effect of
fail to perform adequately due to tension or agitation