ferociously vs mightily

ferociously

adv
  • Intensely or extremely. 

  • In a ferocious manner, particularly violent and aggressive. 

mightily

adv
  • Enormously, to a great extent. 

  • In a mighty manner; with strength or force. 

  • Thoroughly; entirely. 

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