whimsey vs sexual activity

whimsey and sexual activity both are nouns.

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

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