calamity vs grief

calamity

noun
  • The distress that results from some disaster. 

  • An event resulting in great loss. 

grief

noun
  • Suffering, hardship. 

  • Emotional pain, generally arising from misfortune, significant personal loss, bereavement, misconduct of oneself or others, etc.; sorrow; sadness. 

  • Cause or instance of sorrow or pain; that which afflicts or distresses; trial. 

verb
  • To deliberately harass and annoy or cause grief to other players of a game in order to interfere with their enjoyment of it; especially, to do this as one’s primary activity in the game. 

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