marabout vs sannyasi

marabout

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

  • The tomb or shrine of such a person. 

sannyasi

noun
  • A man in the stage of sannyasa; a wandering ascetic, a religious mendicant. 

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