castoff vs run-down

castoff

adj

  • discarded, rejected. 

noun

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

run-down

adj

  • Decrepit. 

  • Having the spring unwound. 

  • Tired and exhausted. 

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