Cistercian vs cloisterer

Cistercian

noun
  • A member of a monastic order which follows the Benedictine rule and emphasizes silent contemplative prayer. 

adj
  • Of, pertaining to or characteristic of the Cistercian Order and its members. 

cloisterer

noun
  • One belonging to, or living in, a cloister; a recluse. 

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