excited vs crazy

excited is not a noun while crazy is a noun.

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

excited (noun)	crazy (noun)
	someone deranged and possibly dangerous

excited (adjective)	crazy (adjective)
in an aroused state	intensely enthusiastic about or preoccupied with
(of persons) excessively affected by emotion	possessed by inordinate excitement
(of e.g. a molecule) made reactive or more reactive	foolish; totally unsound
marked by uncontrolled excitement or emotion	affected with madness or insanity
	bizarre or fantastic