carnet vs entrée

carnet

noun
  • An admission pass. 

  • A ticket book, a collection of tickets in the form of a booklet often sold at a discount to single tickets. 

  • A customs document that allows the temporary duty-free importation of a particular article 

entrée

noun
  • The act of entering somewhere, or permission to enter; admittance. 

  • An introduction or prelude. 

  • The main course or main dish of a meal. 

  • A smaller dish served before the main course of a meal. 

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