dilapidated vs threadbare

dilapidated

adj
  • Having fallen into a state of disrepair or deterioration, especially through neglect. 

threadbare

adj
  • damaged or shabby 

  • shabby, frayed and worn to an extent that warp threads show 

  • wearing clothes of threadbare material 

  • banal or clichéd; trite or hackneyed 

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