high priestess vs ruler

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. 

ruler

noun
  • A person who rules or governs; someone or something that exercises dominion or controlling power over others. 

  • A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings. 

verb
  • To beat with a ruler (as a traditional school punishment). 

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