Soundness of mind

What do older brother call younger sister in Korean?

In Korean, an older brother would refer to a younger sister as «dongsaeng» (동생).

What do Koreans call a younger sister?

In Korean, a younger sister is called 누나 (nuna).

What does an older male call a younger female in Korean?

In Korean, a younger female is referred to as a «dongsaeng» (동생) by an older male. This term literally translates to «younger sibling» and implies a relationship of respect and protectiveness.