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Cognomen Phumtai (Phumtai ) , throughout the world, is an extremely rare last name. The cognomen Phumtai is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Phumtai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phumtai | Thailand |
Depenkaeo, and Deepenkaew