drown vs overwhelm

drown and overwhelm both are verbs.

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

As verbs, drown and overwhelm are synonyms defined as:

Other synonyms of drown include submerge.

drown (verb)	overwhelm (verb)
die from being submerged in water, getting water into the lungs, and asphyxiating	charge someone with too many tasks
kill by submerging in water	overcome by superior force
get rid of as if by submerging	cover completely or make imperceptible
cover completely or make imperceptible	overcome, as with emotions or perceptual stimuli
be in danger of dying from submersion in a liquid and asphyxiation
be covered with or submerged in a liquid