chook vs woolly hat

chook

noun
  • A cooked chicken; a chicken dressed for cooking. 

  • A chicken, especially a hen. 

intj
  • A call made to chickens. 

  • An imitation of the call of a chicken. 

woolly hat

noun
  • an item of knitted headwear, without a brim or peak, made from wool or other fabrics. 

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