spalt vs spawl

spalt

noun
  • Spelter. 

adj
  • Heedless; clumsy; pert; saucy. 

  • Brittle. 

verb
  • To break off pieces, or have them broken off, especially with an axe etc; to splinter. 

spawl

noun
  • Scattered or ejected spittle. 

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