rubbish dump vs wreck yard

rubbish dump

noun
  • A landfill 

wreck yard

noun
  • The location of a dismantling business where wrecked or decommissioned vehicles are brought. Their usable parts are sold for use in operating vehicles, while the unusable metal parts, known as scrap metal, are sold to recycling companies. 

How often have the words rubbish dump and wreck yard occurred in a corpus of books? (source: Google Ngram Viewer )