enormously vs mega

enormously

adv

  • Shockingly. 

  • Extremely, greatly: to an enormous degree. 

mega

adv

  • extremely 

adj

  • Great; excellent. 

  • Very large. 

noun

  • The Steinhaus-Moser number ② 

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