clangour vs clunk

clangour

verb
  • To make a clanging sound. 

noun
  • A loud, repeating clanging sound; a loud racket; a din. 

clunk

verb
  • to make such a sound 

noun
  • A dull, metallic sound, especially one made by two bodies coming into contact. 

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