rasher vs swarf

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. 

swarf

noun
  • A particular waste chip or shaving. 

  • The waste chips or shavings from an abrasive activity, such as metalworking, a saw cutting wood, or the use of a grindstone or whetstone. 

verb
  • To grind down. 

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