brunoster is the masculine plural indefinite of brunost.

brunostN

Kven

pruunijuustoN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:58533Edit on GitHub Suggest

ruškesvuostáN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:98882Edit on GitHub Suggest

Case	Sg	Pl
Indef	brunost	brunoster
Def	brunosten	brunostene