cutthroat vs suicidal

cutthroat

noun
  • A murderer who slits the throats of victims. 

  • An unscrupulous, ruthless or unethical person. 

  • A three-player pocket billiards game where the object is to be the last player with at least one ball still on the table. 

adj
  • Involving the cutting of throats. 

  • Ruthlessly competitive, dog-eat-dog. 

  • Of or relating to a card game where everyone plays for him or herself rather than playing with a partner. 

suicidal

noun
  • Someone suicidal; someone likely to kill themselves. 

adj
  • 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. 

  • Pertaining to suicide. 

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