madly vs terribly

madly

adv
  • angrily 

  • without reason or understanding; wildly. 

  • extremely surprisingly or unexpectedly 

terribly

adv
  • Very badly. 

  • Very; extremely. 

  • So as to cause terror or awe. 

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