sever vs shatter

sever

verb
  • To suffer disjunction; to be parted or separated. 

  • To disconnect; to disunite; to terminate. 

  • To make a separation or distinction; to distinguish. 

  • To cut free. 

shatter

verb
  • To dispirit or emotionally defeat. 

  • To smash, or break into tiny pieces. 

  • To violently break something into pieces. 

  • Of seeds: to be dispersed upon ripening. 

  • To destroy or disable something. 

noun
  • A (pine) needle. 

  • A form of concentrated cannabis. 

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