affray vs altercation

affray

noun
  • A tumultuous assault or quarrel. 

  • 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. 

altercation

noun
  • Heated or angry dispute 

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