cunning folk vs elf

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. 

elf

noun
  • Any from a race of mythical, supernatural beings resembling but seen as distinct from human beings. They are usually delicate-featured and skilled in magic or spellcrafting; sometimes depicted as clashing with dwarves, especially in modern fantasy literature. 

  • A luminous spirit presiding over nature and fertility and dwelling in the world of Álfheim (Elfland). Compare angel, nymph, fairy. 

  • The bluefish (Pomatomus saltatrix). 

  • A very diminutive person; a dwarf. 

  • Any of the magical, typically forest-guarding races bearing some similarities to the Norse álfar (through Tolkien's Eldar). 

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