dough vs smeddum

dough

noun
  • A thick, malleable substance made by mixing flour with other ingredients such as water, eggs, and/or butter, that is made into a particular form and then baked. 

verb
  • To make into dough. 

smeddum

noun
  • Fine powder; flour. 

  • A layer of clay or shale between two beds of coal. 

  • Smitham. 

  • Zest, energy; pluck; sagacity; quickness of apprehension; gumption; spirit; mettle. 

  • The powder or finest part of ground malt. 

  • Ore small enough to pass through the wire bottom of a sieve. 

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