promise vs up-and-comer

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. 

up-and-comer

noun
  • Someone who is up-and-coming, who has begun to be successful in some field and is likely to be even more successful in the future. 

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