What is another word for bills coo?
Pronunciation: [bˈɪlz kˈuː] (IPA) 
Bills coo refers to the sound that pigeons make. However, there are many synonyms for this particular sound. One possible synonym is "cooing," which simply means making low soft sounds like a dove or pigeon. Other synonyms include "crooning," "murmuring," and "whispering." All of these words describe soft, gentle sounds commonly heard in birds and other animals. With so many synonyms to choose from, writers and poets can create vivid and detailed descriptions of the sounds of nature in their writing. Whether it is the sound of a dove cooing outside the window or the rustling of leaves in the wind, the English language has a vast array of words to capture the beauty of the natural world.
