depressed vs suicidal

depressed

adj
  • Suffering from clinical depression. 

  • Unhappy; despondent. 

  • Reduced to a lower degree or form. 

  • Suffering damaging effects of economic recession. 

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. 

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