medicine man vs pishogue

medicine man

noun
  • A Native American shamanistic healer. 

  • A traditional healer among other indigenous peoples. 

pishogue

noun
  • Magic, witchcraft; a spell, especially one designed to cause or cure illnesses to man or beast, or to increase or decrease the quantities of farm products such as butter or milk. 

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