bizarre vs ersatz

bizarre

adj
  • Strangely unconventional; highly unusual and different from common experience, often in an extravagant, fantastic, and/or conspicuous way. 

ersatz

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

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

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