cultch vs scrapyard

cultch

noun
  • Rubbish; debris; refuse. 

  • Empty oyster shells and other substances laid down on oyster grounds to furnish points for the attachment of the spawn of the oyster. 

  • Young or seed oysters together with the shells and other objects to which they are usually attached. 

scrapyard

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

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