damage vs upgrade

damage

noun
  • Cost or expense. 

  • Injury or harm; the condition or measure of something not being intact. 

verb
  • To impair the soundness, goodness, or value of; to harm or cause destruction. 

  • To remove a damaged or unsalable item from the sales floor for processing. 

upgrade

verb
  • To improve, usually applied to technology, generally by complete replacement of one or more components 

  • To replace with something better. 

  • To improve the equipment or furnishings of or services rendered to 

  • To replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name. 

  • To improve in condition or status. 

adv
  • Up a slope or grade. 

noun
  • An upward grade or slope. 

  • An improvement 

  • An improved component or replacement item, usually applied to technology 

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