employ vs show someone the door

employ

noun
  • The state of being an employee; employment. 

verb
  • To hire (somebody for work or a job). 

  • To use (somebody for a job, or something for a task). 

  • To make busy. 

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 employ and show someone the door occurred in a corpus of books? (source: Google Ngram Viewer )