car wash vs toilet

car wash

noun
  • A place at which a car is washed, usually for a fee and often mechanically by driving the car through a tunnel. 

  • An event at which people (often students) wash cars, often for a small fee or donation 

  • An instance of washing a car, especially such a place. 

toilet

noun
  • A fixture used for urination and defecation, particularly one with a large bowl and ring-shaped seat which uses water to flush the waste material into a septic tank or sewer system. 

  • A very shabby or dirty place. 

  • A room or enclosed area containing a fixture used for urination and defecation (i.e. a toilet (sense 2)): a bathroom or water closet. 

  • A small secondary lavatory having a fixture used for urination and defecation (i.e. a toilet (sense 2)) and sink but no bathtub or shower. 

verb
  • To use the toilet. 

  • To assist another (a child, etc.) in using the toilet. 

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