confit vs delicatessen

confit

noun
  • Any of various kinds of food that have been immersed in a substance for both flavor and preservation. 

verb
  • To prepare (food) in this manner. 

delicatessen

noun
  • Delicacies; exotic or expensive foods. 

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

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