馃嚝馃嚠 Finnish phrases

How to Say "Sister" in Finnish

The SPAIKING TeamJuly 27, 2026
sisko
"Sister" in Finnish 路 say it like siss-koh

The most natural way to say "Sister" in Finnish is sisko. Tap the speaker above to hear it, then say it back out loud. That is the fastest way to make it stick.

Other ways to say it

sisaruus
used to refer to sisterhood or the relationship between sisters

When to use it

You can use 'sisko' when talking about your sister or addressing someone as a sister. It is a casual term and can be used in everyday conversations. In more formal contexts, you might refer to a sister as 'sisaruus' when discussing the concept of sisterhood.

Say it out loud, get corrected

Reading it is not the same as saying it. Practice "Sister" and thousands more with an AI coach that listens.

Examples in Finnish

FinnishEnglish
Minun siskoni on todella mukava.My sister is really nice.
Siskoni ja min盲 menemme elokuviin.My sister and I are going to the movies.
Common mistake
A common mistake is to confuse 'sisko' with 'sisar', which is more formal and less commonly used in everyday speech.

The fastest way to remember it

Vocabulary you only read fades fast. Vocabulary you say out loud sticks. Hear sisko, repeat it a few times, then use it in a real sentence. SPAIKING lets you practice exactly that, speaking Finnish with a coach that corrects your pronunciation in real time. You can start with two free conversations.

Frequently asked questions

What is the plural form of 'sisko'?

The plural form is 'siskot', meaning 'sisters'.

Learn Finnish by speaking it

Two free conversations. No card needed.