gunplay vs shootout

gunplay

noun
  • The discharge of firearms, usually with violent intent and in confrontations. 

  • A sexual practice involving the use of a (usually unloaded) firearm for physical and mental stimulation. 

shootout

noun
  • A decisive battle, especially a gunfight. 

  • A series of penalty shots during which a tied game is resolved. 

  • A multitable poker tournament in which only the last player on a table goes on to the next. 

  • A match in which both teams score highly. 

  • A penalty shootout. 

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