akhi vs bro

akhi

noun
  • Brother; a close male friend or associate. 

  • A British Asian (usually of South Asian descent). 

bro

noun
  • brother (a male comrade or friend; one who shares one’s ideals) 

  • fratboy (or someone that espouses the fraternity bro culture) 

  • brother (usually used to address a male) 

  • brother (a male sibling) 

pron
  • he or him 

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