junkyard vs scrapheap

junkyard

noun
  • A place where rubbish is placed. 

  • A business that sells used metal or items. 

scrapheap

noun
  • A junkyard. 

  • A pile in which junk is discarded. 

  • A collection of discarded or rejected items or ideas. 

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