Cluniac vs religioner

Cluniac

adj
  • Relating to a reformed Benedictine monastic order founded at Cluny in eastern France. 

noun
  • A monk of the reformed branch of the Benedictine order, founded in 910 at Cluny (or Clugny) in France. 

religioner

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