whimsicality vs capriciousness

whimsicality and capriciousness both are nouns.

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

As nouns, whimsicality and capriciousness are synonyms defined as:

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

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

whimsicality (noun)	capriciousness (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	the quality of being guided by sudden unpredictable impulses