cobber vs matey

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. 

matey

noun
  • A dockyard worker. 

  • A fellow sailor; often used affectedly, especially when portraying a pirate. 

adj
  • Sociable or friendly. 

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