tornion is the singular genitive or singular genitive of Tornio.

TornioN

Norwegian Bokmål

TorneåN

Kven – Norwegian Bokmåldict-fkv-nob/src/Prop_fkvnob.xml:2479Edit on GitHub Suggest

Case	Sg
Nom	Tornio / tornio
Gen	Tornion / tornion
Par	Tornioo / Tornioa / tornioo / tornioa
Ill	Tornihoon / tornihoon
Ine	Torniossa / torniossa
Ela	Torniosta / torniosta