Goddess vs Godhead

Goddess

name

  • The single goddess of various monotheistic religions. 

  • The single goddess of various bitheistic or duotheistic religions. 

  • The Lady, the main deity in Wicca. 

Godhead

name

  • The divine nature of God as an abstract entity. 

  • The Trinity. 

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