smeddum vs undern

smeddum

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

  • Fine powder; flour. 

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

  • Smitham. 

  • The powder or finest part of ground malt. 

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

undern

noun
  • Synonym of evening. 

  • A light meal, particularly in the afternoon. 

  • Synonym of afternoon. 

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