exit vs work in

exit

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

  • To depart from life; to die. 

  • 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.) 

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

  • 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. 

work in

verb
  • To find time or space for, amid other things. 

  • Used other than figuratively or idiomatically: see work, in. 

  • To work out using a machine in between the sets of someone who is already using that machine. 

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