connote vs promise

connote

verb
  • To require as a logical predicate to consequence. 

  • To possess an inseparable related condition; to imply as a logical consequence. 

  • To signify beyond its literal or principal meaning. 

  • To express without overt reference; to imply. 

promise

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

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

noun
  • 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. 

  • Reason to expect improvement or success; potential. 

  • an oath or affirmation; a vow 

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