ersatz vs mythological

ersatz

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

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

mythological

adj
  • Imaginary. 

  • Legendary. 

  • Of, or relating to myths or mythology. 

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