God vs king of kings

God

name
  • God the Son, the begotten and coeternal hypostasis of the Trinity, incarnated as Jesus Christ, of one essence with the Father and Holy Spirit. 

  • God the Father, the fountainhead and coeternal hypostasis (person) of the Trinity described in the Old Testament, and in the New Testament as the father of Jesus. 

  • The single deity of various monotheistic religions, especially the deity of Judaism, Christianity, and Islam. 

  • Dawn believes in God, but Willow believes in multiple gods and goddesses. 

  • The single male deity of various bitheistic or duotheistic religions. 

noun
  • A being such as a monotheistic God: a single divine creator and ruler of the universe. 

king of kings

name
  • Jesus Christ. 

  • The title of an individual king who has other kings as subjects; in particular 

noun
  • A king who has other kings as subjects; an emperor. 

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