bhikkhu vs holy man

bhikkhu

noun
  • A male Buddhist monk or priest; one who follows all Buddhist precepts as a full member of the sangha. 

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. 

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