sluttish vs sexual practice

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

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

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

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