difficulty vs miracle

difficulty

noun
  • Physical danger from the environment, especially with risk of drowning 

  • An obstacle that hinders achievement of a goal. 

  • The state of being difficult, or hard to do. 

  • An objection. 

  • An awkward situation or quarrel. 

  • That which cannot be easily understood or believed. 

miracle

noun
  • A fortunate outcome that prevails despite overwhelming odds against it. 

  • An awesome and exceptional example of something 

  • An event that appears inexplicable by the laws of nature and so is held to be supernatural in origin. 

verb
  • To affect by a miracle; to work a miracle upon. 

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