convenience store vs warehouse

convenience store

noun
  • A small retail store, often in a residential area, that carries a limited selection of items such as staples, junk food, and drugstore items, and which is open long hours for the convenience of shoppers. 

warehouse

noun
  • A place for storing large amounts of products. In logistics, a place where products go to from the manufacturer before going to the retailer. 

verb
  • To confine (a person) to an institution for a long period. 

  • To acquire and then shelve, simply to prevent competitors from acquiring it. 

  • To store in a warehouse or similar. 

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