gunfire vs salvo

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. 

salvo

noun
  • A salute paid by a simultaneous, or nearly simultaneous, firing of a number of cannon. 

  • An exception; a reservation; an excuse. 

  • A concentrated fire from pieces of artillery, as in endeavoring to make a break in a fortification; a volley. 

  • Any volley, as in an argument or debate. 

  • The combined cheers of a crowd. 

verb
  • To discharge weapons in a salvo. 

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