pestilential vs suicidal

pestilential

adj
  • Having a harmful moral effect (especially one that is believed to spread in the manner of pestilence). 

  • Caused by pestilence. 

  • Causing irritation or annoyance. 

  • Spreading in the manner of pestilence. 

  • During which pestilence spreads. 

  • Producing, spreading, promoting or infected with pestilence; causing infection. 

suicidal

adj
  • 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. 

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

  • Extremely reckless. 

  • Pertaining to suicide. 

noun
  • Someone suicidal; someone likely to kill themselves. 

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