bout vs free-for-all

bout

noun
  • A fighting competition. 

  • A roller derby match. 

  • A bulge or widening in a musical instrument, such as either of the two characteristic bulges of a guitar. 

  • An assault (a fencing encounter) at which the score is kept. 

  • A boxing match. 

  • A period of something, especially one painful or unpleasant. 

verb
  • To contest a bout. 

prep
  • Aphetic form of about 

free-for-all

noun
  • Deathmatch, sometimes specifically one in which every player is pitted against all the others. 

  • Chaos; a chaotic situation lacking rules or control. 

adj
  • Open to anyone and with no or few rules. 

How often have the words bout and free-for-all occurred in a corpus of books? (source: Google Ngram Viewer )