faeces vs crap

faeces and crap both are nouns.

Word	Noun	Adjective	Verb	Adverb
faeces	Yes	No	No	No
crap	Yes	No	Yes	No

As nouns, crap is a hyponym of faeces; that is, crap is a word with a more specific, narrower meaning than faeces:

Other hyponyms of faeces include dog do, dog shit, dog turd, doggy do, dirt, poop, shit, shite, turd, droppings, dung, muck, meconium, melaena, melena.

faeces (noun)	crap (noun)
solid excretory product evacuated from the bowels	Obscene word for unacceptable behavior
	obscene terms for feces

faeces (verb)	crap (verb)
	have a bowel movement