scutch vs thong

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. 

thong

noun
  • The largest section of a bullwhip constructed of many straps of braided leather. 

  • A strip of leather. 

  • An item of footwear, usually of rubber, secured by two straps which join to pass between the big toe and its neighbour. 

  • An undergarment or swimwear consisting of very narrow strips designed to cover just the genitals and nothing more. 

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