casting vs mock-up

casting

noun
  • The act or process of selecting actors, singers, dancers, models, etc. 

  • Of hounds, the act of spreading out and searching for a scent. 

  • An object made in a mold. 

  • The regurgitation of fur, feathers, and other undigestible material by hawks, to clean and empty their crops.^([W]) 

  • The excreta of an earthworm or similar creature. 

  • A manufacturing process using a mold. 

  • The act of converting between data types. 

mock-up

noun
  • 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. 

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

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