Mary vs Theotokos

Mary

name
  • The Virgin Mary, the mother of Christ. 

  • A female given name from Latin, Ancient Greek, Aramaic, or Hebrew. 

  • A city in Turkmenistan. 

  • The 19th sura (chapter) of the Qur'an. 

  • A male homosexual. 

  • Any of several other women in the New Testament, notably Mary Magdalene and Mary of Bethany, the sister of Martha. 

Theotokos

name
  • The Virgin Mary. 

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