cack vs self-blood

cack

noun
  • An act of defecation. 

  • A discordant note. 

  • A squawk. 

  • Excrement. 

  • Rubbish. 

  • Penis. 

verb
  • To squawk. 

  • To laugh. 

  • To incorrectly play a note by hitting a partial other than the one intended. 

  • To defecate. 

  • To defecate (on); to shit. 

  • To kill. 

self-blood

noun
  • The shedding of one's own blood; self-slaughter; suicide. 

  • One's direct progeny or offspring. 

How often have the words cack and self-blood occurred in a corpus of books? (source: Google Ngram Viewer )