corncob vs nog

corncob

verb
  • To disintegrate by the blades becoming severed from the axis 

  • To defeat (someone) who then refuses to admit defeat. 

noun
  • The central cylindrical core of an ear of corn (maize) on which the kernels are attached in rows. 

nog

verb
  • to fill in, as between scantling, with brickwork. 

  • to fasten, as shores, with treenails. 

noun
  • A wooden block, the size of a brick, built into a wall, as a hold for the nails of woodwork. 

  • A dark-skinned person; nig-nog. 

  • One of the square logs of wood used in a pile to support the roof of a mine. 

  • A treenail to fasten the shores. 

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