anecdote vs saga

anecdote

noun
  • A short account of a real incident or person, often humorous or interesting. 

  • A previously untold secret account of an incident. 

  • An account which supports an argument, but which is not supported by scientific or statistical analysis. 

verb
  • To tell anecdotes (about). 

saga

noun
  • Something with the qualities of such a saga; an epic, a long story. 

  • An Old Norse (Icelandic) prose narrative, especially one dealing with family or social histories and legends. 

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