chipping vs slither

chipping

noun
  • A fragment broken off a larger material. 

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

slither

noun
  • A limestone rubble. 

  • A sliver. 

verb
  • To move about smoothly and from side to side. 

  • To slide 

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