cock pigeon vs cock-a-doodle-doo

cock pigeon

noun

  • A male pigeon. 

cock-a-doodle-doo

noun

  • The cry of the rooster. 

intj

  • Imitative of the cry of the rooster. 

How often have the words cock pigeon and cock-a-doodle-doo occurred in a corpus of books? (source: Google Ngram Viewer )