cocky vs impudent

cocky

adj
  • Overly confident; arrogant and boastful. 

verb
  • To operate a small-scale farm. 

noun
  • A (familiar name for a) cockatoo. 

impudent

adj
  • Not showing due respect; impertinent; bold-faced. 

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