jumbuck vs mutton

jumbuck

noun
  • A sheep. 

mutton

noun
  • The meat of a sheep, goat, urial, or other caprine. 

  • Em, a unit of measurement equal to the height of the type in use. 

  • The meat of sheep used as food. 

  • An old Anglo-French gold coin impressed with the image of a lamb. 

  • The meat of goat used as food. 

adj
  • deaf. 

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