friary vs musalla

friary

noun
  • house or dwelling where friars or members of certain religious communities live 

adj
  • Like a friar; relating to friars or to a convent. 

musalla

noun
  • A place for praying (e.g. outside a mosque); a praying room. 

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