approbation vs blessing

approbation

noun
  • The act of approving; an assenting to the propriety of a thing with some degree of pleasure or satisfaction; approval, sanction, commendation or official recognition. 

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. 

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