approbative vs reproachful

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. 

reproachful

adj
  • Expressing or containing reproach 

  • Occasioning or deserving reproach; shameful; base 

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