detritus vs scrapyard

detritus

noun
  • Any debris or fragments of disintegrated material. 

  • Organic waste material from decomposing dead plants or animals. 

  • Pieces of rock broken off by ice, glacier, or erosion. 

scrapyard

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

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