gunfire vs pom-pom

gunfire

noun
  • 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. 

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

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

pom-pom

noun
  • A rapid-firing small-calibre cannon used especially as an anti-aircraft gun. 

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