brawl vs tug of war

brawl

noun
  • A disorderly argument or fight, usually with a large number of people involved. 

verb
  • To engage in a brawl; to fight or quarrel. 

  • To create a disturbance; to complain loudly. 

  • To pour abuse on; to scold. 

  • Especially of a rapid stream running over stones: to make a loud, confused noise. 

tug of war

noun
  • A dispute between two parties, particularly an entrenched, back-and-forth dispute. 

  • A game or competition in which two teams pull or tug on opposite ends of a rope trying to force the other team over the line which initially marked the middle between the two teams. 

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