haunting vs promising

haunting

noun
  • A particular instance of haunting; a ghostly habitation. 

adj
  • Remaining in the mind; not easily forgotten. 

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 haunting and promising occurred in a corpus of books? (source: Google Ngram Viewer )