Peace vs Serenity

Peace

name
  • A female given name 

  • The Municipal District of Peace No. 135, a municipal district in north-west Alberta, Canada. 

  • A surname. 

Serenity

name
  • A female given name from English in general use since the 1990s. 

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