delicatessen vs grocery

delicatessen

noun
  • Delicacies; exotic or expensive foods. 

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

grocery

noun
  • retail foodstuffs and other household supplies. 

  • A shop or store that sells groceries; a grocery store. 

verb
  • To go grocery shopping. 

  • To furnish with groceries. 

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