cleric vs rectorial

cleric

adj
  • Of or pertaining to the clergy. 

noun
  • A member of the clergy. 

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

rectorial

adj
  • Relating to a rector. 

noun
  • The events associated with the appointment of a new rector. 

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