crappy vs filth

crappy is not a noun while filth is a noun.

Word	Noun	Adjective	Verb	Adverb
crappy	No	Yes	No	No
filth	Yes	No	No	No

crappy (noun)	filth (noun)
	an offensive or indecent word or phrase
	a state characterized by foul or disgusting dirt and refuse
	anything regarded as making something unclean
	any substance considered disgustingly foul or unpleasant

crappy (adjective)	filth (adjective)
very bad