friar vs white friar

friar

noun
  • A member of a mendicant Christian order such as the Augustinians, Carmelites (white friars), Franciscans (grey friars) or the Dominicans (black friars). 

  • An American fish, the silverside. 

white friar

noun
  • A member of the religious order of the Carmelites. 

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