contumacious vs negatory

contumacious

adj

  • Contemptuous of authority; willfully disobedient; rebellious. 

  • Willfully disobedient to the summons or orders of a court. 

negatory

adj

  • Negative, negating. 

noun

  • No. 

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