flay vs scutch

flay

verb
  • To lash or whip. 

  • To cause to fly; put to flight; drive off (by frightening). 

  • To frighten; scare; terrify. 

  • To be fear-stricken. 

  • To strip the skin off; to skin. 

noun
  • A fright; a scare. 

  • Fear; a source of fear; a formidable matter; a fearsome or repellent-looking individual. 

scutch

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

noun
  • 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. 

  • 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. 

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