diner vs pit stop

diner

noun
  • A typically small restaurant, usually modeled after a railroad dining car, that serves lower-class fare, normally having a counter with stools along one side and booths on the other, and often decorated in 50s and 60s pop culture themes and playing popular music from those decades. 

  • One who dines. 

  • A dining car in a railroad train. 

pit stop

noun
  • A place that offers food, beverages, and other goods and services for those stopping on an automobile journey. 

  • A brief stop for fuel, rest and/or refreshment during an automobile journey. 

  • A stop made during an automobile race at the pit to refuel and perform other periodic maintenance on the vehicle. 

  • A utilitarian stop on a figurative journey. 

  • A stop during any pedestrian or automobile travel for any utilitarian personal purpose, especially use of a bathroom. 

How often have the words diner and pit stop occurred in a corpus of books? (source: Google Ngram Viewer )