abysmally vs terribly

abysmally

adv
  • Very; incredibly; profoundly; to an extreme degree; dreadfully. 

terribly

adv
  • Very; extremely. 

  • Very badly. 

  • So as to cause terror or awe. 

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