filth vs sleep together

filth is a noun but sleep together is not a noun.

Word	Noun	Adjective	Verb	Adverb
filth	Yes	No	No	No
sleep together	No	No	Yes	No

filth (noun)	sleep together (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 (verb)	sleep together (verb)
	have sexual intercourse with