passage of arms vs pitched battle

passage of arms

noun
  • An argument or quarrel. 

  • A chivalric feat of arms involving the forcing of a passage protected by a knight or a group of knights. 

  • Any feat of arms, especially when used to display the prowess of the participants. 

pitched battle

noun
  • An intense, rancorous argument or confrontation. 

  • A battle which opposing forces anticipate and commit to fighting; a sustained, intense and confrontational fight. 

How often have the words passage of arms and pitched battle occurred in a corpus of books? (source: Google Ngram Viewer )