holy man vs sannyasi

holy man

noun
  • A man who has devoted himself to religious practice, especially one who has absented himself from society to follow his religion; an ascetic or saint. 

sannyasi

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

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