Nan vs Nana

Nan

name

  • A diminutive of the female given name Ann and Nancy. 

  • A province of Thailand. 

  • A city in Thailand. 

Nana

name

  • One's grandmother. 

  • A governess. 

  • A Japanese female given name from Japanese 

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