Which Vietnamese word can keep the same meaning if two letters are removed?

Think carefully to find out which Vietnamese word can keep the same meaning if two letters are removed?

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

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

Libra

Source: https://vtcnews.vn/tu-tieng-viet-nao-bo-hai-chu-van-giu-nguyen-nghia-ar966214.html