mental disorder vs folie

mental disorder and folie both are nouns.

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

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

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

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

mental disorder (noun)	folie (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