Ace vs Shiv

Ace

name
  • A male given name. 

  • A common nickname suggesting skill, particularly among airplane pilots. 

Shiv

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

  • A diminutive of the female given name Siobhan. 

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