copyist vs forger

copyist

noun
  • a person who makes manual copies of works such as manuscripts or paintings. 

forger

noun
  • A person who creates forgeries, falsifies documents with intent to defraud, e.g. to create a false will or illicit copies of currency; counterfeiter. 

  • A person who forges metals. 

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