cunning folk vs wunderkind

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. 

wunderkind

noun
  • A highly talented or gifted individual, especially one who is successful at a young age. 

  • A child prodigy; a phenom. 

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