dunghill vs scrapyard

dunghill

noun
  • A heap of dung, especially one for agricultural purposes. 

  • Any wretchedly mean, dirty or loathsome place, situation or condition. 

scrapyard

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

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