disuse vs harm

disuse

noun
  • The state of not being used; neglect. 

verb
  • To cease the use of. 

harm

noun
  • detriment; misfortune. 

  • physical injury; hurt; damage 

  • That which causes injury, damage, or loss. 

  • emotional or figurative hurt 

verb
  • To cause injury to another; to hurt; to cause damage to something. 

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