fairy tale vs short story

fairy tale

noun
  • A story presented as true that is not believable. 

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

  • A folktale featuring fairies or similar fantasy characters. 

short story

noun
  • A work of fiction that is shorter than a novella. 

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