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Cognomen Phuwasinthanasit (Phuwasinthanasit ) , worldwide, is a very rare last name. The cognomen Phuwasinthanasit is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phuwasinthanasit | Thailand |
Kitthanes, and Thannaphas