sexual practice vs capricious

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

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

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

sexual practice (adjective)	capricious (adjective)
	determined by chance or impulse or whim rather than by necessity or reason
	changeable