fairy story vs pishogue

fairy story

noun
  • Synonym of fairy tale (“folktale with fantasy characters”) 

  • Synonym of fairy tale (“story presented as true that is not believable”) 

pishogue

noun
  • Magic, witchcraft; a spell, especially one designed to cause or cure illnesses to man or beast, or to increase or decrease the quantities of farm products such as butter or milk. 

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