Emperor vs Goddess

Emperor

name

  • The title of an emperor. 

Goddess

name

  • The Lady, the main deity in Wicca. 

  • The single goddess of various bitheistic or duotheistic religions. 

  • The single goddess of various monotheistic religions. 

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