castoff vs good-for-nothing

castoff

adj

  • discarded, rejected. 

noun

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

good-for-nothing

adj

  • Useless; worthless. 

noun

  • A person of little worth or usefulness. 

How often have the words castoff and good-for-nothing occurred in a corpus of books? (source: Google Ngram Viewer )