blessing vs grievance

blessing

noun
  • A pronouncement invoking divine aid. 

  • Good fortune. 

  • A modern pagan ceremony. 

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

  • The act of declaring or bestowing favor; approval. 

  • A group of unicorns. 

  • A prayer before a meal; grace. 

  • Something someone is glad of. 

grievance

noun
  • A formal complaint, especially in the context of a unionized workplace. 

  • Feelings of being wronged; outrage. 

  • A wrong or hardship suffered, which is the grounds of a complaint. 

  • Violation of regulations or objectionable behavior. 

  • A complaint or annoyance. 

  • Something which causes grief. 

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