addiction vs dependence

addiction

noun
  • The state of being addicted; devotion; inclination. 

  • A pathological relationship to mood altering experience that has life damaging consequences. 

  • A habit or practice that damages, jeopardizes or shortens one's life but when ceased causes trauma. 

  • A state that is characterized by compulsive drug use or compulsive engagement in rewarding behavior, despite negative consequences. 

dependence

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

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

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