scutch vs swingle

scutch

noun
  • 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. 

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

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

  • A tuft or clump of grass. 

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

swingle

noun
  • An implement used to separate the fibres of flax by beating them; a scutch. 

  • The swinging part of a flail, especially that which is used on the grain in threshing; the swiple. 

verb
  • To beat or flog, especially for extracting the fibres from flax stalks; to scutch. 

  • To dangle; to wave hanging. 

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