facade vs interior

facade

noun
  • A deceptive or insincere outward appearance. 

  • An object serving as a simplified interface to a larger body of code, as in the facade pattern. 

  • The face or front (most visible side) of any other thing, such as an organ. 

  • The face of a building, especially the front view or elevation. 

interior

adj
  • Within any limits, enclosure, or substance; inside; internal; inner. 

  • Remote from the limits, frontier, or shore; inland. 

noun
  • The set of all interior points of a set. 

  • The inside regions of a country, distanced from the borders or coasts. 

  • The inside of a building, container, cavern, or other enclosed structure. 

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