schizophrenic vs sick

schizophrenic

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

  • Having qualities that strongly jar or are at odds. 

  • Of or relating to schizophrenia. 

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

noun
  • A person suffering from schizophrenia. 

sick

adj
  • Mentally unstable, disturbed. 

  • Having an urge to vomit. 

  • In poor condition. 

  • In bad taste. 

  • Very good, excellent, awesome, badass. 

  • Tired of or annoyed by something. 

  • Failing to sustain adequate harvests of crop, usually specified. 

  • In poor health; ill. 

noun
  • (especially in the phrases on the sick and on long-term sick) Any of various current or former benefits or allowances paid by the Government to support the sick, disabled or incapacitated. 

  • Vomit. 

verb
  • To fall sick; to sicken. 

  • To vomit. 

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