chipping vs fleak

chipping

noun
  • A fragment broken off a larger material. 

  • The act of breaking something into small fragments, or of removing fragments from pottery etc. 

fleak

noun
  • A thin piece that is chipped or peeled off from the surface of something else. 

  • A small, light piece that is only loosely joined to something else, and which has a tendency to detach. 

  • A thin piece that the flesh of some animals (such as fish) tends to break into. 

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