What is a homophone for cool?

There isn't a perfect homophone for "cool" in the sense of being a word that sounds exactly the same but has a different meaning. However, there are some words that sound very similar and could be used in certain contexts:

* "cule" is a word used in some dialects of English, though it's not widely recognized. It means "small" or "little."

* "coole" is a rare word, but it's sometimes used as a variant spelling of "cool."

It's important to remember that the context will usually make it clear which word is intended, even if they sound similar.