smeddum vs white flour

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. 

white flour

noun
  • exact synonym of flour 

  • Refined flour made solely of the endosperm of wheat, i.e. with most of the germ and bran removed through the milling process, often chemically whitened. 

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