crazy vs excited

crazy is a noun but excited is not a noun.

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

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

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