júk

Jääk is not a standard standalone word in Finnish. The common noun for “ice” is jää, and this is the form you will see in ordinary language and in established dictionaries. The spelling jääk, with a long ä and an additional k, is not listed as a separate lemma in standard Finnish references, and in most contexts it would be considered a misspelling or a typographical error rather than a distinct term.

If jääk appears, it is typically due to one of several possibilities: a mistaken alteration of the correct jää, a dialectal or historical variant not widely attested in contemporary usage, or a part of a proper name or title. In modern Finnish, expressions referring to ice are built from jää or its inflected or stemmed forms (for example jäätelö “ice cream,” jäätikkö “glacier,” jäätä “ice” in partitive).

In compounds relating to ice, the standard base remains jää. Examples include jääkaappi (freezer), jääkiekkokenttä or jääkiekko (ice hockey), and jäätelö (ice cream), where the term retains the ordinary meaning of ice through the recognized root jää or its derived forms. The presence of a separate word form jääk would not reflect typical Finnish morphology or standard vocabulary.

Etymology and related terms: jää comes from the broader Finnic languages, with cognates in Estonian jää and related formations in other Finnic tongues. Related concepts in Finnish include jäätikkö (glacier), jäinen (icy/frozen), and jäähdyttää (to cool). See also jää, jäätikkö, ja jäätelö for context.

Note: Jääk is not widely documented as a distinct Finnish word; for accurate usage, rely on jää and its established derivatives.