thrashing vs trouncing

thrashing and trouncing both are nouns.

Word	Noun	Adjective	Verb	Adverb
thrashing	Yes	No	No	No
trouncing	Yes	No	No	No

As nouns, thrashing and trouncing are synonyms defined as:

thrashing and trouncing: the act of inflicting corporal punishment with repeated blows

Other synonyms of thrashing include beating, drubbing, lacing, licking, whacking.

As nouns, thrashing and trouncing are synonyms defined as:

Other synonyms of thrashing include debacle, drubbing, slaughter, walloping, whipping.

thrashing (noun)	trouncing (noun)
the act of inflicting corporal punishment with repeated blows	the act of inflicting corporal punishment with repeated blows
a sound defeat	a sound defeat