psycho vs schizophrenic

psycho

noun
  • A person who is psychotic or otherwise insane. 

  • A person who acts in a bizarre or dangerous manner. 

  • A class, at a college or university, in which psychology is taught. 

adj
  • Psychotic or otherwise insane. 

schizophrenic

noun
  • A person suffering from schizophrenia. 

adj
  • Having qualities that strongly jar or are at odds. 

  • Of or relating to schizophrenia. 

  • Exhibiting more than one personality; having a wildly changeable personality. 

  • Afflicted with schizophrenia; having difficulty with perception of reality. 

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