humour vs spleen

humour

noun
  • The quality of being amusing, comical, funny. 

  • Any of the fluids in an animal body, especially the four "cardinal humours" of blood, yellow bile, black bile and phlegm that were believed to control the health and mood of the human body. 

  • Either of the two regions of liquid within the eyeball, the aqueous humour and vitreous humour. 

  • A mood, especially a bad mood; a temporary state of mind or disposition brought upon by an event; an abrupt illogical inclination or whim. 

verb
  • To pacify by indulging. 

spleen

noun
  • A fit of immoderate laughter or merriment. 

  • In vertebrates, including humans, a ductless vascular gland, located in the left upper abdomen near the stomach, which destroys old red blood cells, removes debris from the bloodstream, acts as a reservoir of blood, and produces lymphocytes. 

verb
  • To remove the spleen, or, by extension, to gore. 

  • To excise or remove. 

  • To annoy or irritate. 

  • To complain; to rail; to vent one's spleen. 

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