cleric vs hierarchical

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. 

hierarchical

adj
  • Of or pertaining to an ecclesiastic or priestly order. 

  • Pertaining to a hierarchy. 

  • Classified or arranged according to various criteria into successive ranks or grades. 

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