facade vs superficies

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. 

superficies

noun
  • The visible, external surface of a body. 

  • The area of a two-dimensional surface. 

  • The surface (of something immaterial, especially of the mind or soul). 

  • A building intimately associated with the land on which it is built. 

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