Brother vs Friar Minor

Brother

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

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

  • 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. 

Friar Minor

noun
  • Synonym of Franciscan: a member of the Order of the Friars Minor. 

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