overcome vs overwhelm

overcome and overwhelm both are verbs.

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

As verbs, overcome and overwhelm are synonyms defined as:

overcome and overwhelm: overcome, as with emotions or perceptual stimuli

Other synonyms of overcome include overpower, overtake, sweep over, whelm.

overcome (verb)	overwhelm (verb)
get on top of; deal with successfully	charge someone with too many tasks
overcome, usually through no fault or weakness of the person that is overcome	overcome by superior force
win a victory over	cover completely or make imperceptible
overcome, as with emotions or perceptual stimuli	overcome, as with emotions or perceptual stimuli