swarf vs woodshaving

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. 

woodshaving

noun
  • A shaving from wood. 

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