addiction vs obsessiveness

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. 

obsessiveness

noun
  • The characteristic of being obsessive. 

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