get rid of vs show someone the door

get rid of

verb
  • to rid oneself of; dispose (of); to remove; to abolish; to lose 

show someone the door

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

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

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