schizoid vs schizophrenic

schizoid

adj
  • Behaving as if one has more than one personality; wildly changeable. 

  • Characterized by social withdrawal and emotional coldness or flattened affectivity. 

noun
  • someone with schizoid personality disorder 

schizophrenic

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

  • Having qualities that strongly jar or are at odds. 

  • Of or relating to schizophrenia. 

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

noun
  • A person suffering from schizophrenia. 

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