bawdy vs filth

bawdy and filth both are nouns.

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

As nouns, filth is a hypernym of bawdy; that is, filth is a word with a broader meaning than bawdy:

Other hypernyms of bawdy include dirty word, obscenity, smut, vulgarism.

bawdy (noun)	filth (noun)
lewd or obscene talk or writing	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

bawdy (adjective)	filth (adjective)
humorously vulgar