crazy vs craziness

crazy and craziness both are nouns.

Word	Noun	Adjective	Verb	Adverb
crazy	Yes	Yes	No	No
craziness	Yes	No	No	No

crazy (noun)	craziness (noun)
someone deranged and possibly dangerous	foolish or senseless behavior
	the quality of being rash and foolish
	informal terms for insanity

crazy (adjective)	craziness (adjective)
intensely enthusiastic about or preoccupied with
possessed by inordinate excitement
foolish; totally unsound
affected with madness or insanity
bizarre or fantastic