bast vs scutch

bast

noun
  • Fibre made from the phloem of certain plants and used for matting and cord. 

scutch

noun
  • The woody fibre of flax or hemp; the refuse of scutched flax or hemp. 

  • A bricklayer's small picklike tool with two cutting edges (or prongs) for dressing stone or cutting and trimming bricks. 

  • A tuft or clump of grass. 

  • A wooden implement shaped like a large knife used to separate the valuable fibres of flax or hemp by beating them and scraping from it the woody or coarse portions. 

verb
  • To separate the woody fibre from (flax, hemp, etc.) by beating; to swingle. 

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