Passion vs Visitation

Passion

name
  • The sufferings of Jesus Christ from the night of the Last Supper to the Crucifixion. 

Visitation

name
  • The visit of the Virgin Mary to her cousin Elizabeth; the commemoration of this on 30 May in Eastern Christianity or 31 May in Western Christianity. 

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