psychopathy vs zoanthropy

psychopathy

noun
  • A personality disorder indicated by a pattern of lying, exploitation, heedlessness, arrogance, sexual promiscuity, low self-control, and lack of empathy and remorse. Violent and criminal offenses may be indicative of this disorder. 

zoanthropy

noun
  • A kind of delusion in which the patient believes himself transformed into one of the lower animals. 

How often have the words psychopathy and zoanthropy occurred in a corpus of books? (source: Google Ngram Viewer )