blitz vs howitzer

blitz

verb
  • To perform a blitz. 

  • To do something quickly or in one session. 

  • To attack quickly or suddenly, as by an air raid or similar action. 

  • To purée or chop (food products) using a food processor or blender. 

noun
  • The act of blending or puréeing food using a blender or processor. 

  • A play in which additional defenders beyond the defensive linemen rush the passer. 

  • A swift and overwhelming attack or effort. 

  • A sudden attack, especially an air raid; usually with reference to the Blitz. 

howitzer

verb
  • To attack with a howitzer. 

noun
  • A cannon that combines certain characteristics of field guns and mortars, delivering projectiles with medium velocities, usually with relatively high trajectories; normally a cannon with a tube length of 20 to 30 calibers. 

  • A powerfully hit shot. 

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