Chink vs chink

Chink

noun
  • A person of perceived Chinese ethnicity. 

adj
  • Chinese, or perceived to be Chinese. 

chink

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

  • A chip or dent in something metallic. 

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

  • 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. 

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