Finnish · Family & People
Sister
A female sibling.
Siskoni asuu ulkomailla.
My sister lives abroad.
'Sisko' comes from the Proto-Finnic *sisko, which refers to a sister. The term has evolved similarly in related languages, maintaining societal and familial significance in Finland.
'Sisko' is commonly used in both informal and formal registers, spoken and written, without significant regional discrepancies.