nasty vs sexual practice

nasty is not a noun while sexual practice is a noun.

Word	Noun	Adjective	Verb	Adverb
nasty	No	Yes	No	No
sexual practice	Yes	No	No	No

nasty (noun)	sexual practice (noun)
	activities associated with sexual intercourse

nasty (adjective)	sexual practice (adjective)
offensive or even (of persons) malicious
exasperatingly difficult to handle or circumvent
disgustingly dirty; filled or smeared with offensive matter
characterized by obscenity