matey vs shipman

matey

noun
  • A dockyard worker. 

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

adj
  • Sociable or friendly. 

shipman

noun
  • A labourer on a ship. 

  • A seaman or sailor; a mariner. 

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