mock-up vs sham

mock-up

noun
  • A prototype, usually low-fidelity, such as a paper illustration, screenshot, or simple configuration of a screen with limited interaction. 

  • A scale or full-size model of a design or device which is not fully functional, used for teaching, demonstration, design evaluation, promotion, and other purposes. 

sham

noun
  • A fake; an imitation that purports to be genuine. 

  • A decorative cover for a pillow. 

  • A false front, or removable ornamental covering. 

  • Trickery, hoaxing. 

  • Champagne. 

adj
  • mock 

  • Intended to deceive; false. 

  • counterfeit; unreal 

  • See also Thesaurus:fake 

verb
  • To obtrude by fraud or imposition. 

  • To deceive, cheat, lie. 

  • To assume the manner and character of; to imitate; to ape; to feign. 

How often have the words mock-up and sham occurred in a corpus of books? (source: Google Ngram Viewer )