crazy vs disturbed

crazy is a noun but disturbed is not a noun.

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

As adjectives, crazy and disturbed are synonyms defined as:

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

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

crazy (adjective)	disturbed (adjective)
intensely enthusiastic about or preoccupied with	having the place or position changed
possessed by inordinate excitement	affected with madness or insanity
foolish; totally unsound	emotionally unstable and having difficulty coping with personal relationships
affected with madness or insanity	afflicted with or marked by anxious uneasiness or trouble or grief
bizarre or fantastic