If you're looking for a Hawaiian name that has a similar meaning to "Thomas", you could consider:
* Kamaka: This name means "strong" or "brave", which could be a good fit for someone named Thomas.
* Kealoha: This name means "beloved" or "dear," which could reflect the meaning of Thomas as "twin" (originally from a Hebrew word meaning "twins").
* Keawe: This name means "warrior" or "hero", which could be appropriate if Thomas is strong and courageous.
Ultimately, the best Hawaiian name for you depends on your personal preferences and the meaning you want to convey.