Mental disturbance and Mental disease

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

Mental disease and mental disturbance are semantically related in mental illness topic. In some cases you can use "Mental disease" instead a noun phrase "Mental disturbance".

Mental disease noun - Any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention.

Mental disturbance and mental disease are semantically related in mental illness topic. You can use "Mental disturbance" instead a noun phrase "Mental disease".