ersatz vs manuscript

ersatz

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

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

manuscript

adj
  • Handwritten, or by extension manually typewritten, as opposed to being mechanically reproduced. 

noun
  • A single, original copy of a book, article, composition etc, written by hand or even printed, submitted as original for (copy-editing and) reproductive publication. 

  • A book, composition or any other document, written by hand (or manually typewritten), not mechanically reproduced. 

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