Brother vs bhikkhu

Brother

noun
  • A title used to personify or respectfully refer to concepts or animals. 

  • Title of respect for an adult male member of a religious or fraternal order. 

  • Title of respect for an adult male member of a fraternal/sororal organization, or comrade in a movement, or even a stranger using fictive kin. 

bhikkhu

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

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