scrapheap vs scrapyard

scrapheap

noun
  • A junkyard. 

  • A pile in which junk is discarded. 

  • A collection of discarded or rejected items or ideas. 

scrapyard

noun
  • A junkyard, a place where scrap is stored, discarded or resold. 

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