sadness vs torture

sadness

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

  • The state or emotion of being sad. 

torture

noun
  • The intentional causing of somebody's experiencing agony. 

  • The "suffering of the heart" imposed by one on another, as in personal relationships. 

  • (often as "absolute torture") Stage fright; severe embarrassment. 

verb
  • To intentionally inflict severe pain or suffering on (someone). 

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