mega vs supercolossal

mega

adj
  • Very large. 

  • Great; excellent. 

adv
  • extremely 

noun
  • The Steinhaus-Moser number ② 

supercolossal

adj
  • Exceedingly large. 

  • Grander than or beyond colossal. 

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