lather vs scutch

lather

verb
  • To beat or whip. 

  • To form lather or froth, as a horse does when profusely sweating. 

  • To cover with lather. 

noun
  • A state of agitation. 

  • The foam made by rapidly stirring soap and water. 

  • Foam from profuse sweating, as of a horse. 

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 lather and scutch occurred in a corpus of books? (source: Google Ngram Viewer )