undraheimur
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.undraheimurundraheimurinnnf.undraheimarundraheimarnir
þf.undraheimundraheiminnþf.undraheimaundraheimana
þgf.undraheimiundraheiminumþgf.undraheimumundraheimunum
ef.undraheimsundraheimsinsef.undraheimaundraheimanna