nanny vs ould one

nanny

noun

  • A grandmother. 

  • A child's nurse. 

  • A godmother. 

  • A female goat. 

verb

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

  • To serve as a nanny. 

ould one

noun

  • old woman 

  • mother 

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