agony vs persecution

agony

noun
  • Violent contest or striving. 

  • Extreme pain. 

  • Paroxysm of joy; keen emotion. 

  • The sufferings of Jesus Christ in the garden of Gethsemane. 

  • The last struggle of life; death struggle. 

persecution

noun
  • The act of persecuting. 

  • A program or campaign to subjugate or eliminate a specific group of people, often based on race, religion, sexuality, or social beliefs. 

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