sexual practice vs whimsey

sexual practice and whimsey both are nouns.

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

sexual practice (noun)	whimsey (noun)
activities associated with sexual intercourse	the trait of acting unpredictably and more from whim or caprice than from reason or judgment
	an odd or fanciful or capricious idea