whimsy vs whimsey

whimsy and whimsey both are nouns.

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

As nouns, whimsy and whimsey are synonyms defined as:

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

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

As nouns, whimsy and whimsey are synonyms defined as:

Other synonyms of whimsy include notion, whim.

whimsy (noun)	whimsey (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