exterior vs facade

exterior

noun
  • The outside part, parts or surface of something. 

  • Foreign lands. 

adj
  • Being from outside a country; foreign. 

  • Outdoor. 

  • Relating to the outside parts or surface of something. 

facade

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

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

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