drown vs extinguish

drown and extinguish both are verbs.

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

As verbs, extinguish is a hypernym of drown; that is, extinguish is a word with a broader meaning than drown:

Other hypernyms of drown include do away with, eliminate, get rid of.

drown (verb)	extinguish (verb)
die from being submerged in water, getting water into the lungs, and asphyxiating	put an end to; kill
kill by submerging in water	kill in large numbers
get rid of as if by submerging	terminate, end, or take out
cover completely or make imperceptible	extinguish by crushing
be in danger of dying from submersion in a liquid and asphyxiation	put out, as of fires, flames, or lights
be covered with or submerged in a liquid