rosinen is the masculine singular definite of rosin.

rosinN

Kven

rusinaN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:63111Edit on GitHub Suggest

rusiidnaN; rusenN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:232765Edit on GitHub Suggest

Case	Sg	Pl
Indef	rosin	rosiner
Def	rosinen	rosinene