domination vs helotism

domination

noun
  • The exercise of power in ruling; sovereignty; authority; government. 

  • Control by means of superior ability, influence, position, or resources; prevailing force. 

  • Synonym of cover 

  • A fetish characterized by control/power over and discipline of one's sexual partner. 

  • A dominion; an angel from a high order of angels in the celestial hierarchy. 

helotism

noun
  • The permanent oppression of a nominally free group of people 

  • A form of mutualism in which one species is forced to perform tasks for another, for their mutual benefit 

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