blitzkrieg vs offense

blitzkrieg

noun
  • A fast military offensive, typically involving a large and highly mobile tank force with air support. 

offense

noun
  • A strategy and tactics employed when in position to score; contrasted with defense. 

  • An affront, injury, or insult. 

  • The portion of a team dedicated to scoring when in position to do so; contrasted with defense. 

  • A crime or sin. 

  • The state of being offended or displeased; anger; displeasure. 

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