castoff vs dismal

castoff

adj
  • discarded, rejected. 

noun
  • Something that has been rejected or discarded; a reject. 

dismal

adj
  • Disappointingly inadequate. 

  • Causing despair; gloomy and bleak. 

  • Depressing, dreary, cheerless. 

  • Disastrous, calamitous 

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