Cistercian vs marabout

Cistercian

noun
  • A member of a monastic order which follows the Benedictine rule and emphasizes silent contemplative prayer. 

adj
  • Of, pertaining to or characteristic of the Cistercian Order and its members. 

marabout

noun
  • The tomb or shrine of such a person. 

  • A Muslim holy man or mystic, especially in parts of North Africa. 

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