awful vs god-awful

awful

adj

  • Very bad. 

  • Exceedingly great; usually applied intensively. 

adv

  • Very, extremely. 

  • Awfully; dreadfully; terribly. 

god-awful

adj

  • Extremely awful, unpleasant or dreadful. 

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