sexual practice vs lustful

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

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

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

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