incredibly vs powerful

incredibly

adv
  • To a great extent; extremely. 

  • In an incredible manner; not to be believed. 

  • Used to note the surprising or hard-to-believe nature of what is being said and suggest that it is nevertheless true. 

powerful

adv
  • Synonym of very 

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

  • Leading to many or important deductions. 

  • Large; capacious; said of veins of ore. 

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