insubordinate vs procacious

insubordinate

adj

  • Rebellious or defiant to authority. 

  • Contumacious. 

noun

  • A person who defies authority. 

procacious

adj

  • Bold, forward, insolent. 

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