backstory vs tale

backstory

noun
  • A fictitious account of a person's history designed to conceal their actual history and motives. 

  • The previous life and experiences of a person, especially a character in a dramatic work, but also a real-life person. 

  • A prequel. 

tale

noun
  • An account of an asserted fact or circumstance; a rumour; a report, especially an idle or malicious story; a piece of gossip or slander; a lie. 

  • A rehearsal of what has occurred; narrative; discourse; statement; history; story. 

  • The fraudulent opportunity presented by a confidence man to the mark or victim. 

  • A number told or counted off; a reckoning by count; an enumeration. 

verb
  • To reckon; consider (someone) to have something. 

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