whimsicality vs whimsey

whimsicality and whimsey both are nouns.

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

As nouns, whimsicality and whimsey are synonyms defined as:

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

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

whimsicality (noun)	whimsey (noun)
the trait of behaving like an imp	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