dependency vs dominion

dependency

noun
  • A colony, or a territory subject to rule by an external power. 

  • Reliance on the functionality provided by some other, external component. 

  • A state of dependence; a refusal to exercise initiative. 

  • An external component whose functionality is relied on. 

  • Something dependent on, or subordinate to, something else 

  • A dependence on a habit-forming substance such as a drug or alcohol. 

dominion

noun
  • A kingdom, nation, or other sphere of influence; governed territory. 

  • Power or the use of power; sovereignty over something; stewardship, supremacy. 

  • predominance; ascendancy 

  • kingdom 

  • An order of angel in Christian angelology, ranked above virtues and below thrones. 

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