heroic vs promising

heroic

adj
  • Courageous; displaying heroism. 

  • Of or relating to a hero or heroine; supremely noble 

  • Of a size larger than life, but less than colossal. 

noun
  • A heroic verse. 

promising

adj
  • Encouraging and inspiring confidence. 

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

  • a promising young apprentice 

noun
  • The act of making a promise. 

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