Goddess vs Mummy

Goddess

name

  • The single goddess of various bitheistic or duotheistic religions. 

  • The single goddess of various monotheistic religions. 

  • The Lady, the main deity in Wicca. 

Mummy

name

  • One's mother. 

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