magus vs prophetess

magus

noun
  • A Zoroastrian priest. 

  • A magician; (derogatory) a conjurer or sorcerer, especially one who is a charlatan or trickster. 

prophetess

noun
  • A female prophet. 

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