shatter vs skunkweed

shatter

noun
  • A form of concentrated cannabis. 

  • A (pine) needle. 

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. 

skunkweed

noun
  • strong-smelling cannabis 

  • Any of several American plants that have an offensive odour, but especially Croton texensis and Polemonium viscosum 

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