strafe vs suicide bombing

strafe

noun
  • An attack of machine-gun or cannon fire from a low-flying aircraft. 

  • A sideways movement without turning. 

verb
  • To attack (ground targets) with automatic gunfire from a low-flying aircraft. 

  • To rake (a target) with rapid or automatic gunfire. 

  • To sidestep; to move sideways without turning (a core mechanic of most first-person shooters). 

suicide bombing

noun
  • An attack carried out by a suicide bomber or a group of them. 

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