chain store vs delicatessen

chain store

noun
  • A retail outlet that is one of a group of similar establishments having common format, contents, ownership and management. 

delicatessen

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

  • Delicacies; exotic or expensive foods. 

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