buffet car vs consumer

buffet car

noun
  • A railway carriage in which food and drink can be bought at a counter, and either taken to another carriage or consumed at the seating provided. 

consumer

noun
  • One who, or that which, consumes. 

  • An organism (heterotroph) that uses other organisms for food in order to gain energy. 

  • Someone who trades money for goods or services as an individual. 

  • The consumer base of a product, service or business. 

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