clobber vs trounce

clobber is a noun but trounce is not a noun.

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

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

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

clobber (noun)	trounce (noun)
informal terms for personal possessions

clobber (verb)	trounce (verb)
beat thoroughly and conclusively in a competition or fight	censure severely or angrily
strike violently and repeatedly	come out better in a competition, race, or conflict
	beat severely with a whip or rod