cobber vs jong

cobber

noun
  • A sweet consisting of a small block of hard caramel covered in chocolate. 

  • A pal, buddy, mate, friend; often used in direct address by one male to another. 

jong

noun
  • A Tibetan building which makes up a prefecture; typically a monastery or fortress. 

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