affray vs duke out

affray

noun
  • The act of suddenly disturbing anyone; an assault or attack. 

  • The fighting of two or more persons, in a public place, to the terror of others. 

  • A tumultuous assault or quarrel. 

duke out

verb
  • To fight, especially with fists. 

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