deteriorated vs enhanced

deteriorated

adj
  • in a state of impaired quality or value 

enhanced

adj
  • Having suffered the use of anabolic steroids or other performance-enhancing drugs. 

  • In a version or form that has been improved or made better than some other standard form. 

  • Raised up, amplified. 

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