butty vs rasher

butty

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

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

  • Friend. 

  • A workmate. 

rasher

noun
  • A strip, a piece (of something, such as ham, bacon, etc). 

  • A strip of bacon; a piece of bacon. 

verb
  • To cut into rashers. 

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