lather vs trounce

lather is a noun but trounce is not a noun.

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

As verbs, lather and trounce are synonyms defined as:

Other synonyms of lather include flog, lash, slash, strap, welt, whip.

lather (noun)	trounce (noun)
the froth produced by soaps or detergents
the foam resulting from excessive sweating (as on a horse)
a workman who puts up laths
agitation resulting from active worry

lather (verb)	trounce (verb)
rub soap all over, usually with the purpose of cleaning	censure severely or angrily
exude sweat or lather	come out better in a competition, race, or conflict
form a lather	beat severely with a whip or rod
beat severely with a whip or rod