<unk>  was a psychological disorder characterized by phobias, obsessions, compulsions, or excessive anxiety. The term is no longer in psychiatric diagnostic use, although it still forms one of the ten clinical subscales of the popular self-report personality inventories MMPI and MMPI-2.
Psychasthenia
Psychopathy
Cephalalgiaphobia
Functional somatic syndrome
Psychedelia
Psychosis
Kleptomania
Cancer-related fatigue