castoff vs unkempt

castoff

adj
  • discarded, rejected. 

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

unkempt

adj
  • Uncombed; dishevelled. 

  • Rough; unpolished 

  • Disorderly; untidy; messy; not kept up. 

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