overwhelm vs trounce

overwhelm and trounce both are verbs.

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

As verbs, trounce is a hypernym of overwhelm; that is, trounce is a word with a broader meaning than overwhelm:

Other hypernyms of overwhelm include beat, beat out, crush, shell, vanquish.

overwhelm (verb)	trounce (verb)
charge someone with too many tasks	censure severely or angrily
overcome by superior force	come out better in a competition, race, or conflict
cover completely or make imperceptible	beat severely with a whip or rod
overcome, as with emotions or perceptual stimuli