| Sg. Indef. | berserkur |
| Sg. Def. | berserkurinn |
| Pl. Indef. | berserkir |
| Pl. Def. | berserkirnir |
| Sg. Indef. | berserks; berserkjar |
| Sg. Def. | berserksins; berserkjarins |
| Pl. Indef. | berserkja |
| Pl. Def. | berserkjanna |
| Sg. Indef. | berserk |
| Sg. Def. | berserknum |
| Pl. Indef. | berserkjum |
| Pl. Def. | berserkjunum |
| Sg. Indef. | berserk |
| Sg. Def. | berserkinn |
| Pl. Indef. | berserki |
| Pl. Def. | berserkina |