gramma vs nanny

gramma

noun
  • Something that is written. 

  • The subjects of reading, writing, and arithmetic. 

  • A variety of pumpkin, a cultivar of Cucurbita moschata. 

nanny

verb
  • To treat like a nanny's charges; to coddle. 

  • To serve as a nanny. 

noun
  • A child's nurse. 

  • A godmother. 

  • A female goat. 

  • A grandmother. 

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