danger vs harm

danger

noun
  • An instance or cause of likely harm. 

  • The stop indication of a signal (usually in the phrase "at danger"). 

  • Exposure to likely harm; peril. 

harm

noun
  • That which causes injury, damage, or loss. 

  • detriment; misfortune. 

  • physical injury; hurt; damage 

  • emotional or figurative hurt 

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

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