lustful vs sexual practice

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

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

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

lustful (adjective)	sexual practice (adjective)
vigorously passionate
characterized by lust
driven by lust; preoccupied with or exhibiting lustful desires