This is the 974th most frequent Vietnamese word.
cha
"Cha" in Vietnamese means "father."
In this sentence, 'cha' is used to denote 'father', which is a common term in Vietnamese to refer to one's dad.
Cha tôi là một người nghiêm khắc.
My father is a strict person.
Here, 'cha' is used in a general context to refer to fathers as a role.
Một người cha luôn yêu thương con cái của mình.
A father always loves his children.
In this sentence, 'cha đẻ' is used figuratively to refer to the creator or inventor of a concept or object.