energetically vs mightily

energetically

adv
  • In an energetic manner; with great energy. 

  • By means of energy. 

mightily

adv
  • In a mighty manner; with strength or force. 

  • Enormously, to a great extent. 

  • Thoroughly; entirely. 

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