insane vs schizophrenic

insane

adj
  • Causing insanity or madness. 

  • Used by or relating to insane people. 

  • Extremely good; incredibly amazing. 

  • Characterized by insanity or the utmost folly; ridiculous; impractical. 

  • Exhibiting unsoundness or disorder of mind; not sane; utterly mad. 

schizophrenic

adj
  • Of or relating to schizophrenia. 

  • Having qualities that strongly jar or are at odds. 

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

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

noun
  • A person suffering from schizophrenia. 

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