knock out vs shart

knock out

verb
  • To render unconscious, as by a blow to the head. 

  • To fall asleep, especially suddenly. 

  • To lose the scent of hounds in fox-hunting. 

  • To eliminate from a contest or similar. 

  • To put to sleep. 

  • To complete, especially in haste; knock off. 

  • To strike or bump (someone or something) out. 

  • To exhaust. 

  • To cause a mechanism to become non-functional by damaging or destroying it. 

  • To communicate (a message) by knocking. 

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 knock out and shart occurred in a corpus of books? (source: Google Ngram Viewer )