horseshit vs rot

horseshit and rot both are nouns.

Word	Noun	Adjective	Verb	Adverb
horseshit	Yes	No	No	No
rot	Yes	No	Yes	No

As nouns, rot is a hypernym of horseshit; that is, rot is a word with a broader meaning than horseshit:

Other hypernyms of horseshit include buncombe, bunk, bunkum, guff, hogwash.

horseshit (noun)	rot (noun)
Obscene word for unacceptable behavior	unacceptable behavior (especially ludicrously false statements)
	(biology) the process of decay caused by bacterial or fungal action
	a state of decay usually accompanied by an offensive odor

horseshit (verb)	rot (verb)
	become physically weaker
	break down