suicidal vs unhealthy

suicidal

adj
  • Pertaining to suicide. 

  • Likely to commit, or to attempt to commit, suicide. 

  • Extremely reckless. 

  • Highly likely to certain to result in the deaths of the participants; dangerous or reckless to such a degree as to be tantamount to suicide for those taking part. 

noun
  • Someone suicidal; someone likely to kill themselves. 

unhealthy

adj
  • characterized by disturbed mental health 

  • characterized by, or conducive to poor health 

  • tending to corrupt 

  • sick or ill 

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