cloak vs facade

cloak

noun
  • That which conceals; a disguise or pretext. 

  • A long outer garment worn over the shoulders covering the back; a cape, often with a hood. 

  • A blanket-like covering, often metaphorical. 

  • A text replacement for an IRC user's hostname or IP address, making the user less identifiable. 

verb
  • To cover up, hide or conceal. 

  • To render or become invisible via futuristic technology. 

  • To cover as with a cloak. 

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. 

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