dependence vs self-reliance

dependence

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

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

self-reliance

noun
  • The capacity to rely on one's own capabilities, and to manage one's own affairs; independence. 

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