granny vs nana

granny

noun
  • A grandmother. 

  • A grand final. 

  • A granny knot. 

  • An elderly woman. 

  • An older ewe that may lure a lamb away from its mother. 

adj
  • typically or stereotypically old-fashioned, especially in clothing and accessories worn by or associated with elderly women. 

verb
  • To act like a stereotypical grandmother; to fuss. 

  • To be a grandmother. 

nana

noun
  • One's grandmother. 

  • A nanny. 

  • A banana. 

  • A foolish person. 

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