kasuset is the neuter singular definite of kasus.

kasusN

Kven

kaasusN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:14687Edit on GitHub Suggest

kásusN; sadjehápmiN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:49256Edit on GitHub Suggest

Case	Sg	Pl
Indef	kasus	kasus
Def	kasuset	kasusa