powerful vs surefooted

powerful

adj
  • Having, or capable of exerting power, potency or influence. 

  • Leading to many or important deductions. 

  • Large; capacious; said of veins of ore. 

adv
  • Synonym of very 

surefooted

adj
  • Confident and capable. 

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

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