What is homonym of hour?

There isn't a perfect homonym for "hour" in the English language. A homonym is a word that has the same spelling and pronunciation as another word but a different meaning.

Here are some words that are close to being homonyms of "hour", but don't quite fit the definition:

* Our: This word is pronounced the same as "hour", but it's spelled differently.

* Our's: This is the possessive form of "our" and sounds similar to "hour", but the spelling is distinct.

So, while there isn't a true homonym, "our" and "our's" are the closest words in terms of sound and meaning.