promising vs unfriendly

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. 

unfriendly

noun
  • An enemy. 

adv
  • in an unkind or unfriendly manner; not as a friend 

adj
  • Not friendly; hostile; mean. 

  • Unfavourable. 

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