blitzkrieg vs offensive

blitzkrieg

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

offensive

noun
  • An attack. 

  • The posture of attacking or being able to attack. 

adj
  • Relating to an offense or attack, as opposed to defensive. 

  • Causing offense; arousing a visceral reaction of disgust, anger, hatred, or indignation. 

  • Having to do with play directed at scoring. 

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