promise vs sensation

promise

noun
  • Reason to expect improvement or success; potential. 

  • A transaction between two persons whereby the first person undertakes in the future to render some service or gift to the second person or devotes something valuable now and here to his use. 

  • A placeholder object representing the eventual result of an asynchronous operation. 

  • an oath or affirmation; a vow 

verb
  • To commit to (some action or outcome), or to assure (a person) of such commitment; to make an oath or vow. 

  • To give grounds for expectation, especially of something good. 

sensation

noun
  • A widespread reaction of interest or excitement. 

  • A physical feeling or perception from something that comes into contact with the body; something sensed. 

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