mock vs prosthetic

mock

noun
  • An imitation, usually of lesser quality. 

  • A practice exam set by an educating institution to prepare students for an important exam. 

  • A mockup or prototype; particularly, ellipsis of mock object., as used in unit testing. 

  • Mockery; the act of mocking. 

verb
  • To create a mockup or prototype of. 

  • To mimic, to simulate. 

  • To create an artistic representation of. 

  • To tantalise, and disappoint the hopes of. 

  • To make fun of, especially by mimicking; to taunt. 

adj
  • Imitation, not genuine; fake. 

prosthetic

noun
  • An addition to an actor etc.'s body as part of a costume, intended to transform the person's appearance. 

  • An artificial replacement for part of the body; a prosthesis, prosthetic device. 

adj
  • artificial, acting as a substitute for part of the body; relating to prosthesis 

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