crash pad vs rental

crash pad

noun
  • A place of temporary lodging for airline flight crews. 

  • A room where one can recover after a bad acid trip. 

  • A protective foam pad placed on the ground, used as protection in case of falling from the wall. 

  • Any place used for temporary lodging, especially without payment or permission. 

rental

noun
  • Something that is rented. 

  • An act of renting. 

  • A business that rents out something to its customers. 

  • The payment made to rent something. 

  • A player traded to a team with a year or less on his contract 

adj
  • Relating to renting. 

  • Relating to rent. 

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