high priestess vs higher up

high priestess

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

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

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

higher up

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