blessing vs regret

blessing

noun
  • The act of declaring or bestowing favor; approval. 

  • A pronouncement invoking divine aid. 

  • Good fortune. 

  • A modern pagan ceremony. 

  • Some kind of divine or supernatural aid, or reward. 

  • A group of unicorns. 

  • A prayer before a meal; grace. 

  • Something someone is glad of. 

regret

noun
  • The amount of avoidable loss that results from choosing the wrong action. 

  • Emotional pain on account of something done or experienced in the past, with a wish that it had been different; a looking back with dissatisfaction or with longing. 

verb
  • To feel sorry about (a thing that has or has not happened), afterthink: to wish that a thing had not happened, that something else had happened instead. 

  • To feel sorry about (any thing). 

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