drown vs submerse

drown and submerse both are verbs.

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

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

Other hypernyms of drown include submerge.

drown (verb)	submerse (verb)
die from being submerged in water, getting water into the lungs, and asphyxiating	put under water
kill by submerging in water	sink below the surface; go under or as if under water
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