dictator vs tormentor

dictator

noun
  • A tyrannical boss or authority figure. 

  • A person who dictates text (e.g. letters to a clerk). 

  • A totalitarian leader of a country, nation, or government. 

  • A magistrate without colleague in republican Ancient Rome, who held full executive authority for a term granted by the senate (legislature), typically to conduct a war. 

tormentor

noun
  • One who torments; a person, animal, or object that causes suffering. 

  • An implement for reducing a stiff soil, resembling a harrow, but running upon wheels. 

  • Something abstract that causes suffering. 

  • One of a pair of narrow curtains just behind the front curtain and teaser that mask the areas on the sides of the stage and can be adjusted to the desired width. 

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