raid vs retreat

raid

noun
  • A quick hostile or predatory incursion or invasion in a battle. 

  • An activity initiated at or towards the end of a live broadcast by the broadcaster that sends its viewers to a different broadcast, primarily intended to boost the viewership of the receiving broadcaster. This is frequently accompanied by a message in the form of a hashtag that is posted in the broadcast's chat by the viewers. 

  • An attack or invasion for the purpose of making arrests, seizing property, or plundering. 

  • A large group in a massively multiplayer online game, consisting of multiple parties who team up to defeat a powerful enemy. 

  • An attacking movement. 

verb
  • To engage in a raid against. 

  • To lure from another; to entice away from. 

  • To indulge oneself by taking from. 

retreat

noun
  • Withdrawal by military force from a dangerous position or from enemy attack. 

  • A peaceful, quiet place affording privacy or security. 

  • The act of reversing direction and receding from a forward position. 

  • A bugle call or drumbeat signaling the lowering of the flag at sunset, as on a military base. 

  • A military ceremony to lower the flag. 

  • The move of a piece from a threatened position. 

  • A period of retirement, seclusion, or solitude. 

  • A period of meditation, prayer or study. 

  • The act of pulling back or withdrawing, as from something dangerous, or unpleasant. 

  • A signal for a military withdrawal. 

verb
  • To slope back. 

  • To withdraw military forces 

  • To shrink back due to generally warmer temperatures. 

  • To withdraw from a position, go back. 

  • a retreating forehead 

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