big box vs supermarket

big box

noun
  • A large self-service store, usually on a single level, with few interior walls, owned and run by a corporation 

supermarket

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

  • A chain of such stores. 

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

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