amusement vs festivity

amusement

noun
  • An activity that is entertaining or amusing, such as dancing, gunning, or fishing. 

  • Entertainment. 

festivity

noun
  • An experience or expression of celebratory feeling, merriment, gaiety. 

  • A festival or similar celebration. 

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