Vietnamese Challenge: What is a god but with an accent mark it becomes a demon?

Each Vietnamese riddle has its own difficulty, so try to see if you can solve this riddle.

With tricky riddles that require thinking and quickness in thinking of the answer, because if it is too easy to guess, it is no longer interesting. The Vietnamese question below is an example of a difficult but equally interesting level: "In Vietnamese, what animal is a god but when added with accent marks it becomes a devil?".

What is a god but with an extra accent it becomes a devil? (Illustration)

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

Lam Hoang

Source: https://vtcnews.vn/thu-thach-tieng-viet-con-gi-la-than-nhung-them-dau-lai-thanh-ac-ma-ar954974.html