Christotokos vs Mother of God

Christotokos

name

  • The Virgin Mary. 

Mother of God

name

  • The Virgin Mary, as mother of Jesus Christ, whom Christians believe to be God. 

intj

  • Said in shock, dismay, or supplication. 

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