Mercy vs Shiv

Mercy

name
  • A female given name from English. 

  • A surname from French. 

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 Mercy and Shiv occurred in a corpus of books? (source: Google Ngram Viewer )