graveyard vs self-blood

graveyard

noun
  • Synonym of suicide (“beverage combining all available flavors at a soda fountain”) 

  • The discard pile, in some trading card games. 

  • A tract of land in which the dead are buried. 

  • A team where players are sent when they are not useful, or a team where players become useless if sent there. 

self-blood

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

  • One's direct progeny or offspring. 

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