filth vs illegitimate

filth and illegitimate both are nouns.

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

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

filth (adjective)	illegitimate (adjective)
	of marriages and offspring; not recognized as lawful
	contrary to or forbidden by law