How do you spell cou?

"Cou" is not a complete word in English. It could be a part of a larger word or a misspelling.

To help me understand what you're looking for, could you please provide more context? For example:

* What word are you trying to spell?

* What is the word related to? (e.g., a place, a person, an object)

* Can you give me any other letters from the word?

With more information, I can help you spell the correct word.