delicatessen vs showroom

delicatessen

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

  • Delicacies; exotic or expensive foods. 

showroom

noun
  • A room in a business set aside for the display of the company's products. 

verb
  • To inspect merchandise in a physical store, then purchase the identical product from an online merchant; to use a physical store as a showroom for an online merchant. 

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