fairy tale vs folktale

fairy tale

noun
  • A folktale featuring fairies or similar fantasy characters. 

  • A delightful and ideal situation of a kind attained by very few. 

  • A story presented as true that is not believable. 

folktale

noun
  • A tale or story that is part of the oral tradition of a people or a place. 

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