concupiscence vs lust

concupiscence

noun
  • An ardent desire, especially sexual desire; lust. 

  • the desire of a person's lower appetite, contrary to reason, which subjugates and inclines them to experience temptation and to give in to sin, due to the Fall and original sin. 

lust

noun
  • A feeling of strong desire, especially such a feeling driven by sexual arousal. 

verb
  • To look at or watch with a strong desire, especially of a sexual nature. 

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