discursory vs insubordinate

discursory

adj

  • argumentative; discursive; reasoning 

insubordinate

adj

  • Contumacious. 

  • Rebellious or defiant to authority. 

noun

  • A person who defies authority. 

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