grossly vs horribly

grossly

adv
  • To a serious, severe, or offensive degree. 

  • Greatly; to a large degree, especially one large enough to be frankly appreciable. 

  • In a gross (disgusting) manner; without delicacy. 

horribly

adv
  • To an extreme degree or extent. 

  • In a horrible way; very badly. 

  • With a very bad effect. 

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