worst vs trounce

worst is a noun but trounce is not a noun.

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

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

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

worst (noun)	trounce (noun)
the weakest effort or poorest achievement one is capable of
the greatest damage or wickedness of which one is capable
the least favorable outcome

worst (adjective)	trounce (adjective)
(superlative of `bad') most wanting in quality or value or condition

worst (verb)	trounce (verb)
defeat thoroughly	censure severely or angrily
	come out better in a competition, race, or conflict
	beat severely with a whip or rod

worst (adverb)	trounce (adverb)
to the highest degree of inferiority or badness