chook vs sitter

chook

noun
  • A chicken, especially a hen. 

  • A cooked chicken; a chicken dressed for cooking. 

intj
  • A call made to chickens. 

  • An imitation of the call of a chicken. 

sitter

noun
  • A broody hen. 

  • A very easy scoring chance. 

  • One employed to watch or tend something; a babysitter, housesitter, petsitter, etc. 

  • A participant in a séance. 

  • Someone who sits, e.g. for a portrait. 

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