whimsicality vs whimsical

whimsicality is a noun but whimsical is not a noun.

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

whimsicality (noun)	whimsical (noun)
the trait of behaving like an imp
the trait of acting unpredictably and more from whim or caprice than from reason or judgment

whimsicality (adjective)	whimsical (adjective)
	determined by chance or impulse or whim rather than by necessity or reason