nightmare vs sin

nightmare

verb
  • To have a nightmare. 

noun
  • Any bad, miserable, difficult or terrifying situation or experience that arouses anxiety, terror, agony or great displeasure. 

  • A very bad or frightening dream. 

  • A feeling of extreme anxiety or suffocation experienced during sleep; Sleep paralysis. 

sin

verb
  • To commit a sin. 

noun
  • Sinfulness, depravity, iniquity. 

  • A misdeed or wrong. 

  • A letter of the Hebrew alphabet; שׂ 

  • An embodiment of sin; a very wicked person. 

  • A violation of God's will or religious law. 

  • A sin offering; a sacrifice for sin. 

  • A flaw or mistake. 

  • A letter of the Arabic alphabet; س 

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