flattery vs kudos

flattery

noun
  • An instance of excessive praise. 

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

kudos

noun
  • Praise; accolades. 

  • Credit for one's achievements. 

verb
  • To give praise or accolades. 

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