awful vs butt-ugly

awful

adj
  • Very bad. 

  • Exceedingly great; usually applied intensively. 

adv
  • Very, extremely. 

  • Awfully; dreadfully; terribly. 

butt-ugly

adj
  • Extremely ugly. 

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