raving vs suicidal

raving

adj
  • Talking wildly. 

  • Causing excitement or wild praise. 

noun
  • Wild, incoherent, or irrational talk. 

adv
  • Incoherently 

suicidal

adj
  • Extremely reckless. 

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

  • 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. 

  • Pertaining to suicide. 

noun
  • Someone suicidal; someone likely to kill themselves. 

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