jeopardy vs preservation

jeopardy

noun
  • Danger of loss, harm, or failure. 

preservation

noun
  • The act of preserving; care to preserve; act of keeping from destruction, decay or any ill. 

  • The state of being preserved, how something has survived. 

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