decayed vs shabby

decayed

adj
  • Having undergone decay, rotted. 

shabby

adj
  • Torn or worn; unkempt. 

  • Wearing ragged, very worn, or dirty clothing. 

  • Mean; despicable. 

  • Poor; showing little effort or talent. 

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