双子(ふたご)

ふたご
noun
twins
family
1. twins
Two children born at the same birth.
She is a mother of twins.
Even though they're twins, they don't look alike at all.
There are twin sisters in the class.
Raising twins is hard, but it helps that they play together.
The twin brothers look so alike that even their teacher sometimes mistakes one for the other.

双子(ふたご) is the everyday word for twins. 双生児(そうせいじ) is the formal and medical term.

Etymology

双(ふた) (pair, two) + 子(こ) (child)

Types

Common collocations

Related words