agony vs sorrow

agony

noun
  • Paroxysm of joy; keen emotion. 

  • Extreme pain. 

  • Violent contest or striving. 

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

  • The last struggle of life; death struggle. 

sorrow

noun
  • unhappiness, woe 

  • (usually in plural) An instance or cause of unhappiness. 

verb
  • To feel grief over; to mourn, regret. 

  • To feel or express grief. 

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