nubble vs shatter

nubble

noun
  • A small knob or lump. 

shatter

noun
  • A (pine) needle. 

  • A form of concentrated cannabis. 

verb
  • To smash, or break into tiny pieces. 

  • To dispirit or emotionally defeat. 

  • To violently break something into pieces. 

  • Of seeds: to be dispersed upon ripening. 

  • To destroy or disable something. 

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