cocky vs surefooted

cocky

adj
  • Overly confident; arrogant and boastful. 

verb
  • To operate a small-scale farm. 

noun
  • A (familiar name for a) cockatoo. 

surefooted

adj
  • Confident and capable. 

  • Walking steadily, without stumbling; capable of finding good footing. 

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