digger vs yaar

digger

noun

  • One who digs. 

  • A tool for digging. 

  • A spade (playing card). 

  • An Australian soldier. 

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

yaar

noun

  • A friend, pal, or buddy. 

  • lover 

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