dependence vs emancipation

dependence

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

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

emancipation

noun
  • The act of setting free from the power of another, as from slavery, subjection, dependence, or controlling influence. 

  • The state of being thus set free; liberation (used, for example, of slaves from bondage, of a person from prejudices, of the mind from superstition, of a nation from tyranny or subjugation). 

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