flesher vs murderer

flesher

noun
  • A butcher. 

  • A person who removes the flesh from the skin during the making of leather. 

  • A tool used to remove the flesh from the skin during the making of leather. 

murderer

noun
  • A person who commits murder. 

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