totalitarianism vs tyranthood

totalitarianism

noun
  • A system of government in which the people have virtually no authority and the state wields absolute control, for example, a dictatorship. 

tyranthood

noun
  • A governmental system based on a single ruler wielding absolute authority; tyranny. 

  • The state or condition of being a tyrant. 

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