chook vs feathered folk

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. 

feathered folk

noun
  • Birds in general; birds as a group. 

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