delicatessen vs gastronomy

delicatessen

noun
  • A shop that sells cooked or prepared foods ready for serving. 

  • Delicacies; exotic or expensive foods. 

gastronomy

noun
  • the cooking of a particular area. 

  • The art of preparing and eating good food. 

  • The study of the relationship between food and culture. 

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