cafeteria vs diner

cafeteria

noun
  • A dining area in an institution where meals may be purchased (as above), provided, or brought in from elsewhere. 

  • A restaurant in which customers select their food at a counter then carry it on a tray to a table to eat. 

diner

noun
  • One who dines. 

  • 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. 

  • A dining car in a railroad train. 

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