dukun vs pishogue

dukun

noun
  • A Malay shaman or witch doctor. 

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 dukun and pishogue occurred in a corpus of books? (source: Google Ngram Viewer )