filth vs rotten

filth is a noun but rotten is not a noun.

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

filth (noun)	rotten (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

filth (adjective)	rotten (adjective)
	having decayed or disintegrated; usually implies foulness
	damaged by decay; hence unsound and useless
	very bad