injustice vs ungovernability

injustice

noun
  • Absence of justice; unjustice. 

  • Violation of the rights of another person or people. 

  • Unfairness; the state of not being fair or just. 

ungovernability

noun
  • The condition of being ungovernable 

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