insolent vs procacious

insolent

adj
  • Insulting in manner or words, particularly in an arrogant or insubordinate manner. 

  • Rude. 

noun
  • A person who is insolent. 

procacious

adj
  • Bold, forward, insolent. 

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