purify vs shart

purify

verb
  • To cleanse, or rid of impurities. 

  • To become pure. 

  • To free from guilt or sin. 

shart

verb
  • To unintentionally defecate due to relaxing the anus to flatulate. 

noun
  • An instance of sharting. 

  • The resulting excrement from sharting. 

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