cunning folk vs mage

cunning folk

noun
  • professional or semi-professional practitioners of magic (who were often charlatans) who were active from at least the 15th up until the early 20th century. 

mage

noun
  • A magician, wizard or sorcerer. 

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