Brother vs male member

Brother

noun
  • 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. 

  • 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. 

male member

noun
  • Used other than figuratively or idiomatically: see male, member. 

  • Penis. 

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