belligerence vs flattery

belligerence

noun
  • The state of being belligerent; aggressive inclination to war. 

flattery

noun
  • An instance of excessive praise. 

  • Excessive praise or approval, which is often insincere and sometimes contrived to win favour. 

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