misrule vs reign of terror

misrule

noun
  • The state of being ruled badly; disorder, lawlessness, anarchy. 

  • Misgovernment; bad or unjust government. 

verb
  • Of a trial judge, to make a bad decision in court. 

  • To rule badly; to misgovern. 

reign of terror

noun
  • A period of brutal intimidation and violence by those in power. 

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