bhai vs digger

bhai

noun

  • brother 

  • friend, dude, man 

digger

noun

  • A tool for digging. 

  • A spade (playing card). 

  • An Australian soldier. 

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

  • One who digs. 

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