mental disturbance vs mental disorder

mental disturbance and mental disorder both are nouns.

Word	Noun	Adjective	Verb	Adverb
mental disturbance	Yes	No	No	No
mental disorder	Yes	No	No	No

As nouns, mental disturbance and mental disorder are synonyms defined as:

mental disturbance and mental disorder: (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness

Other synonyms of mental disturbance include disturbance, folie, psychological disorder.

mental disturbance (noun)	mental disorder (noun)
(psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness	(psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness