dependence vs subordination

dependence

noun
  • The state of being dependent, of relying upon another. 

  • An irresistible physical or psychological need, especially for a chemical substance. 

subordination

noun
  • The process of making something subordinate. 

  • The process of subordinating. 

  • The quality of being properly obedient to a superior (as a superior officer). 

  • The property of being subordinate; inferiority of rank or position. 

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