antithetical vs harmonious

antithetical

adj
  • Pertaining to antithesis, or opposition of words and sentiments; containing, or of the nature of, antithesis; contrasted. 

harmonious

adj
  • Having components pleasingly or appropriately combined. 

  • Showing accord in feeling or action. 

  • Melodious; in harmony. 

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