amusement vs sadness

amusement

noun
  • Entertainment. 

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

sadness

noun
  • The state or emotion of being sad. 

  • An event in one's life that causes sadness. 

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