threat vs tutelage

threat

verb
  • To press; urge; compel. 

  • To use threats; act or speak menacingly; threaten. 

noun
  • A person or object that is regarded as a danger; a menace. 

  • An indication of potential or imminent danger. 

  • An expression of intent to injure or punish another. 

tutelage

noun
  • The act of guarding, protecting, or guiding; guardianship; protection 

  • The state of being under a guardian or a tutor; care or protection enjoyed. 

  • Instruction; teaching; guidance. 

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