approbative vs unflattering

approbative

noun
  • A word or grammatical form which denotes a positive affect expressing the appreciation or approval of the speaker. 

adj
  • Sanctioning officially, giving authorization or approval to something. 

  • Expressing approval. 

unflattering

adj
  • Not flattering. 

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