Dominican vs black friar

Dominican

noun
  • A person from the Dominican Republic or of its descent. 

  • A person from the Commonwealth of Dominica or of its descent. 

  • A member of the religious order founded by St. Dominic. 

adj
  • Of, from, or pertaining to the Dominican Republic, or its people. 

  • Of or belonging to the Dominican religious order. 

  • Of, from, or pertaining to Dominica, or its people. 

black friar

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

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