antithetical vs divergent

antithetical

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

divergent

adj
  • Disagreeing from something given; differing. 

  • Causing divergence of rays. 

  • (said of a sequence or series) Diverging; not approaching a limit. 

  • Growing further apart; diverging. 

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