ersatz vs impressible

ersatz

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

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

impressible

adj
  • Capable of creating an impression. 

  • Capable of being impressed; susceptible of receiving impression. 

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