neurotic vs disturbed

neurotic is a noun but disturbed is not a noun.

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

neurotic (noun)	disturbed (noun)
a person suffering from neurosis

neurotic (adjective)	disturbed (adjective)
affected with emotional disorder	having the place or position changed
characteristic of or affected by neurosis	affected with madness or insanity
	emotionally unstable and having difficulty coping with personal relationships
	afflicted with or marked by anxious uneasiness or trouble or grief