car wash vs laver

car wash

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

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

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

laver

noun
  • One who laves: a washer. 

  • That which laves, particularly a washbasin. 

  • Other seaweeds similar in appearance or use, especially 

  • A red alga/seaweed, Porphyra umbilicalis (syn. Porphyra laciniata), eaten as a vegetable. 

  • Porphyra vulgaris 

  • Where one laves, a washroom, particularly a lavatorium, the washing area in a monastery. 

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