Mother of God vs Our Lady of Sorrows

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. 

Our Lady of Sorrows

name

  • The Virgin Mary, in reference to her sorrows. 

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