dissentious vs insubordinate

dissentious

adj

  • dissenting 

  • Marked by dissensions; contentious 

insubordinate

adj

  • Rebellious or defiant to authority. 

  • Contumacious. 

noun

  • A person who defies authority. 

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