corncob vs sit on

corncob

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

  • To disintegrate by the blades becoming severed from the axis 

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

sit on

verb
  • To restrain (a person). 

  • To take no action on; to hold in reserve without actually using. 

  • To hold an official inquiry regarding; to deliberate about. 

  • To block, suppress, restrain. 

  • To be a member of. 

  • Used other than figuratively or idiomatically: see sit, on. 

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