sexual practice vs sluttish

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

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

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

sexual practice (adjective)	sluttish (adjective)
	casual and unrestrained in sexual behavior
	characteristic of or befitting a slut or slattern; used especially of women