approbative vs unfriendly

approbative

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

  • Expressing approval. 

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

unfriendly

adj
  • Not friendly; hostile; mean. 

  • Unfavourable. 

noun
  • An enemy. 

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

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