exit vs retreat

exit

noun
  • An act of going out or going away, or leaving; a departure. 

  • A minor road (such as a ramp or slip road) which is used to leave a major road (such as an expressway, highway, or motorway). 

  • An opening or passage through which one can go from inside a place (such as a building, a room, or a vehicle) to the outside; an egress. 

  • The act of departing from life; death. 

  • The action of an actor leaving a scene or the stage. 

verb
  • To depart from life; to die. 

  • To depart from or leave (a place or situation). 

  • To leave a scene or depart from a stage. 

  • Used as a stage direction for an actor: to leave the scene or stage. 

  • To go out or go away from a place or situation; to depart, to leave. 

  • To give up the lead. 

  • To alight or disembark from a vehicle. 

  • To end or terminate (a program, subroutine, etc.) 

retreat

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

  • 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. 

  • A signal for a military withdrawal. 

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

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 exit and retreat occurred in a corpus of books? (source: Google Ngram Viewer )