Augustinian vs friar

Augustinian

noun
  • A friar or monk of any Augustinian order. 

  • A follower of St Augustine or his doctrines, especially on predestination and irresistible grace. 

adj
  • of, or relating to St Augustine of Hippo 

  • of, or relating to several religious orders influenced by him 

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. 

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