astonishingly vs prodigiously

astonishingly

adv
  • In an astonishing manner; so as to surprise or astonish. 

  • Very; remarkably used as an intensifier. 

prodigiously

adv
  • In a prodigious manner; astonishingly, enormously, impressively, or wonderfully. 

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