chink vs uvula

chink

noun
  • A slight sound as of metal objects touching each other; a clink. 

  • A narrow beam or patch of light admitted by such an opening. 

  • A chip or dent in something metallic. 

  • A narrow opening such as a fissure or crack. 

  • A vulnerability or flaw in a protection system or in any otherwise formidable system. 

verb
  • To crack; to open. 

  • To cause to open in cracks or fissures. 

  • To cause to make a sharp metallic sound, as coins, small pieces of metal, etc., by bringing them into collision with each other. 

  • To make a slight sound like that of metal objects touching. 

  • To fill an opening such as the space between logs in a log house with chinking; to caulk. 

uvula

noun
  • an object so suspended inside a bell that it may hit the bell and cause it to ring; a clapper 

  • the slight elevation in the mucous membrane immediately behind the internal urethral orifice of the urinary bladder, caused by the middle lobe of the prostate 

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