high priestess vs prelate

high priestess

noun
  • A female clergyman with a higher function than a normal priestess. 

  • A third degree (sometimes forth degree) female witch in Wicca. 

  • the second trump or major arcana card in most traditional tarot decks. 

prelate

noun
  • A clergyman of high rank and authority, having jurisdiction over an area or a group of people; normally a bishop. 

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