injury vs obtrusion

injury

noun
  • Damage to the body of a living thing. 

  • The violation of a person's reputation, rights, property, or interests. 

  • Other forms of damage sustained by a living thing, e.g. psychologically. 

obtrusion

noun
  • An encroachment beyond proper limits. 

  • An interference or intrusion. 

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