unsanitariness vs filth

unsanitariness and filth both are nouns.

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

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

Other hyponyms of unsanitariness include filthiness, foulness, nastiness, dunghill.

unsanitariness (noun)	filth (noun)
a state that is not conducive to health	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