cleric vs hegumen

cleric

noun
  • A member of the clergy. 

  • A spellcaster class that receives their spells (especially healing) from their deity. 

adj
  • Of or pertaining to the clergy. 

hegumen

noun
  • The head of a monastery of the Eastern Orthodox Church or Eastern Catholic Churches. 

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