napping vs snoring

napping

noun
  • The act of taking a nap or short sleep. 

  • The act or process of raising a nap, as on cloth. 

snoring

noun
  • The action or sound of breathing during sleep with harsh, snorting noises caused by vibration of the soft palate. 

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