filthiness vs filth

filthiness and filth both are nouns.

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

As nouns, filthiness and filth are synonyms defined as:

filthiness and filth: a state characterized by foul or disgusting dirt and refuse

Other synonyms of filthiness include foulness, nastiness.

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