bullshit vs rot

bullshit and rot both are nouns.

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

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

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

bullshit (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

bullshit (verb)	rot (verb)
speak insincerely or without regard for facts or truths	become physically weaker
	break down