ersatz vs vicarial

ersatz

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

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

vicarial

adj
  • Delegated; vicarious 

  • Of or pertaining to a vicar 

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