digger vs matey

digger

noun
  • A large piece of machinery that digs holes or trenches. 

  • A tool for digging. 

  • A spade (playing card). 

  • An Australian soldier. 

  • One who digs. 

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 digger and matey occurred in a corpus of books? (source: Google Ngram Viewer )