whimsey vs whimsy

whimsey and whimsy both are nouns.

Word	Noun	Adjective	Verb	Adverb
whimsey	Yes	No	No	No
whimsy	Yes	No	No	No

As nouns, whimsey and whimsy are synonyms defined as:

whimsey and whimsy: the trait of acting unpredictably and more from whim or caprice than from reason or judgment

Other synonyms of whimsey include arbitrariness, capriciousness, flightiness, whimsicality.

As nouns, whimsey and whimsy are synonyms defined as:

Other synonyms of whimsey include notion, whim.

whimsey (noun)	whimsy (noun)
the trait of acting unpredictably and more from whim or caprice than from reason or judgment	the trait of acting unpredictably and more from whim or caprice than from reason or judgment
an odd or fanciful or capricious idea	an odd or fanciful or capricious idea