awful vs too bad

awful

adv
  • Very, extremely. 

  • Awfully; dreadfully; terribly. 

adj
  • Exceedingly great; usually applied intensively. 

  • Very bad. 

too bad

phrase
  • It is unfortunate that. 

  • That's a pity; that's unfortunate. 

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