flesher vs gunman

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. 

gunman

noun
  • A criminal armed with a gun, especially a professional killer. 

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