firing vs gunfire

firing

noun
  • The discharge of a gun or other weapon. 

  • Cauterization. 

  • The process of applying heat or fire, especially to clay, etc., to produce pottery. 

  • The dismissal of someone from a job. 

  • The fuel for a fire. 

  • The act of adding fuel to a fire. 

gunfire

noun
  • Shots from a gun or guns, typically creating loud report. 

  • The use of gunpowder-type weapons, mainly cannon, as opposed to swords or bayonets. 

  • The time of firing of the morning gun or the evening gun. 

  • Tea, a cup of tea, especially one served early in the morning before first parade. 

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