* Kālā: This is the most common word for "money" or "currency," and it's often used in reference to silver coins.
* Keleawe: This word refers to "silver metal." It's more specific to the material itself.
* Pōhaku kala: This literally translates to "silver stone," and can be used to describe silver in its solid form.
Ultimately, the best translation depends on the specific context.