expel vs show someone the door

expel

verb
  • To deport. 

  • To eject or erupt. 

  • To remove from membership. 

show someone the door

verb
  • To escort someone to the exit of the premises; to expel someone from a room, gathering, etc. 

  • To dismiss, fire, or reject; to exclude someone who was formerly included. 

How often have the words expel and show someone the door occurred in a corpus of books? (source: Google Ngram Viewer )