What is a homonym for rare?

There is no perfect homonym for "rare" in the sense of being uncommon or scarce.

However, there are a few words that sound the same but have different meanings:

* "Rair" is a word that is sometimes used as a dialectal pronunciation of "rare," but it's not a standard word in English.

* "Rear" means "at the back" or "to raise something."

While these words sound similar, they don't share the same meaning as "rare."