emporium vs supermarket

emporium

noun
  • A shop that offers a wide variety of goods for sale; a department store; (with a descriptive word) a shop specializing in particular goods. 

  • A business set up to enable foreign traders to engage in commerce in a country; a factory (now the more common term). 

  • A city or region which is a major trading centre; also, a place within a city for commerce and trading; a marketplace. 

supermarket

noun
  • A chain of such stores. 

  • A one-stop shop; a place offering a range of products or services. 

  • A large self-service store that sells groceries and, usually, medications, household goods, and/or clothing. 

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