Cistercian vs postulant

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. 

postulant

noun
  • A person seeking admission to a religious order. 

  • A person who submits a petition for something; a petitioner. 

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