forthcoming vs promising

forthcoming

noun
  • An act of coming forth. 

  • Something that is yet to come. 

adj
  • Available when needed; in place, ready. 

  • Willing to co-operate or provide information; candid, frank, responsive. 

  • Approaching or about to take place. 

promising

noun
  • The act of making a promise. 

adj
  • Showing promise, and likely to develop in a desirable fashion. 

  • a promising young apprentice 

  • Encouraging and inspiring confidence. 

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