castoff vs rejectamenta

castoff

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

adj
  • discarded, rejected. 

rejectamenta

noun
  • Things that are thrown away or rejected; items with little or no value waste, rubbish, garbage, refuse, ejecta 

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