demigod vs tutelary

demigod

noun
  • A half-god or hero; the offspring of a deity and a mortal. 

  • Someone held up for reverence as a supreme example. 

tutelary

noun
  • A deity or spirit serving as a guardian or protector of a place, person, culture, etc.; a tutelar, a tutelary deity. 

adj
  • Relating to guardianship or protection. 

  • Having the qualities of a tutor. 

  • Of or pertaining to a guardian. 

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