chinking vs keening

chinking

noun
  • The sound of something that chinks. 

  • The material used to fill the spaces between logs in a log house; caulking. 

keening

noun
  • An unpleasant wailing sound. 

  • Intense mournful wailing after a death, often at a funeral or wake 

adj
  • Sharp, shrill, especially of a sound. 

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