dumpsite vs junkyard

dumpsite

noun
  • A dump for garbage, usually a dump that is actively in use; or the location of such a dump 

junkyard

noun
  • A place where rubbish is placed. 

  • A business that sells used metal or items. 

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