authoritarian vs dictator

authoritarian

noun
  • One who commands absolute obedience to his or her authority. 

  • One who follows and is excessively obedient to authority. 

adj
  • Demanding obedience to authority; marked by authoritarianism; dictatorial, tyrannical. 

  • Of, or relating to, or exhibiting strict obedience to an authority; favoring authoritarianism over civic and individual liberties. 

  • Tending to impose one's demands upon others as if one were an authority. 

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. 

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