ersatz vs mimetic

ersatz

noun
  • Something made in imitation; an effigy or substitute. 

adj
  • Made in imitation; artificial, especially of a poor quality. 

mimetic

noun
  • Something mimetic or imitative. 

  • A substance with similar pharmacological effects to another substance. 

  • A type of mnemonic in the form of a picture. 

adj
  • Exhibiting mimesis. 

  • Imitative. 

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