* Pihi: This is the most common word for a "button," particularly for clothing buttons. It can also refer to a small, round object like a bead.
* Pākuhi: This word is less common but also means "button." It's used specifically for buttons on musical instruments.
* Kāʻana: This word refers to a "fastener" and could be used for buttons, zippers, or other closures.
The best option will depend on the specific type of button and the context of the conversation.