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Surname Chuainui (Chuainui ) , worldwide, is a very rare cognomen. The cognomen Chuainui is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chuainui | Thailand |
Panumas, Poramate, Pornpimon, Pornpimom, Pimonphan, Phimonphan, and Pichayasinee