Which Vietnamese word can be read backwards and forwards correctly and the meaning remains the same?

Only people with a rich Vietnamese vocabulary can solve this puzzle.

"Which Vietnamese word can be read backwards and forwards and still be read correctly without changing its meaning?". This is a seemingly simple puzzle, but not everyone can find the correct answer.

If you find the answer to the above puzzle, scroll down to the comments to record and see how many people think the same as you.

Libra

Source: https://vtcnews.vn/tu-tieng-viet-nao-de-nguoc-de-xuoi-van-doc-dung-va-nghia-khong-doi-ar965281.html