cleric vs episcopal

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. 

episcopal

adj
  • Of or relating to the affairs of a bishop in various Christian churches. 

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