gruel vs slaughter

gruel

verb
  • to punish 

  • ejaculate 

  • To exhaust, use up, disable 

noun
  • A thin, watery porridge, formerly eaten primarily by the poor and the ill. 

  • punishment 

  • something that lacks substance 

  • semen 

slaughter

verb
  • To kill someone or something, especially in a particularly brutal manner. 

  • To butcher animals, generally for food. 

  • To massacre people in large numbers. 

noun
  • A rout or decisive defeat. 

  • A mass destruction of non-living things. 

  • The killing of animals, generally for food. 

  • A massacre; the killing of a large number of people. 

  • A group of iguanas. 

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