This is the 26th most frequent Vietnamese word.
cùng
"Together" or "with."
The word 'cùng' is used to express doing an action collectively.
Chúng ta cùng đi học.
We go to study together.
Here, 'cùng' expresses similarity or sharing the same attribute.
Anh ấy có cùng sở thích với bạn.
He has the same hobby as you.
In this example, 'cùng' is used to denote sameness or commonality, specifically about the essence.