Fanny vs Shiv

Fanny

name
  • A diminutive of Frances, also used as a female given name. 

Shiv

name
  • A diminutive of the female given name Siobhan. 

  • A male given name from Sanskrit mainly used in India. 

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