air raid vs enfilade

air raid

noun
  • A passing-heavy offensive scheme based on a shotgun formation with four wide receivers and a single running back. 

  • An attack on a surface target by aircraft. 

enfilade

noun
  • Gunfire directed along the length of a target. 

  • A series of doors that provide a vista when open. 

  • A line or straight passage, or the position of that which lies in a straight line. 

verb
  • To arrange (rooms or other structures) in a row. 

  • To rake (something) with gunfire. 

  • To be directed toward (something) like enfilading gunfire. 

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