Thespian vs runemaster

Thespian

noun
  • A person from the ancient Greek city of Thespiae. 

runemaster

noun
  • A runesmith; one skilled at carving and deciphering runes. 

  • One who has mastered the use of runes for magical, divinatory, or other esoteric uses. 

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