crazy vs unhinged

crazy is a noun but unhinged is not a noun.

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

As adjectives, crazy and unhinged are synonyms defined as:

Other synonyms of crazy include brainsick, demented, disturbed, mad, sick, unbalanced.

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

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