| Sg. Indef. | trúður |
| Sg. Def. | trúðurinn |
| Pl. Indef. | trúðar |
| Pl. Def. | trúðarnir |
| Sg. Indef. | trúðs |
| Sg. Def. | trúðsins |
| Pl. Indef. | trúða |
| Pl. Def. | trúðanna |
| Sg. Indef. | trúð; trúði |
| Sg. Def. | trúðnum; trúðinum |
| Pl. Indef. | trúðum |
| Pl. Def. | trúðunum |
| Sg. Indef. | trúð |
| Sg. Def. | trúðinn |
| Pl. Indef. | trúða |
| Pl. Def. | trúðana |