antithetical vs discrepant

antithetical

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

discrepant

adj
  • Showing difference; inconsistent, dissimilar. 

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