devour vs preserve

devour

verb
  • To rapidly destroy, engulf, or lay waste. 

  • To take in avidly with the intellect or with one's gaze. 

  • To absorb or engross the mind fully, especially in a destructive manner. 

  • To eat quickly, greedily, hungrily, or ravenously. 

preserve

verb
  • To save from decay by the use of some preservative substance, such as sugar or salt; to season and prepare (fruits, meat, etc.) for storage. 

  • To maintain throughout; to keep intact. 

  • To protect; to keep from harm or injury. 

noun
  • An activity with restricted access. 

  • A sweet spread made of any of a variety of fruits. 

  • A reservation, a nature preserve. 

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