Charity vs Kitty

Charity

name
  • A female given name from English. 

  • The 107th sura (chapter) of the Qur'an. 

Kitty

name
  • A diminutive of Katherine and related female given names. 

  • A generic name for a cat. 

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