ersatz vs exemplary

ersatz

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

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

exemplary

adj
  • Of such high quality that it should serve as an example to be imitated; ideal, perfect. 

  • Serving as a warning; monitory. 

  • Providing an example or illustration. 

  • Deserving honour, respect and admiration. 

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