gymnosophist vs marabout

gymnosophist

noun
  • One of a school of ancient Indian ascetic philosophers, reported in antiquity, who wore little clothing; a mystic. 

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 gymnosophist and marabout occurred in a corpus of books? (source: Google Ngram Viewer )