| Sg. Indef. | börkur |
| Sg. Def. | börkurinn |
| Pl. Indef. | berkir |
| Pl. Def. | berkirnir |
| Sg. Indef. | barkar |
| Sg. Def. | barkarins |
| Pl. Indef. | barka |
| Pl. Def. | barkanna |
| Sg. Indef. | berki |
| Sg. Def. | berkinum |
| Pl. Indef. | börkum |
| Pl. Def. | börkunum |
| Sg. Indef. | börk |
| Sg. Def. | börkinn |
| Pl. Indef. | berki |
| Pl. Def. | berkina |