bestie vs butty

bestie

noun
  • best friend 

  • best friend; A term of address for someone, usually used to instruct, to make a statement, or to draw attention. 

butty

noun
  • Friend. 

  • A miner who works under contract, receiving a fixed amount per ton of coal or ore. 

  • A sandwich, usually with a hot savoury filling in a breadcake. The most common are chips, bacon, sausage and egg. 

  • A workmate. 

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