| Sg. Indef. | dekk |
| Sg. Def. | dekkið |
| Pl. Indef. | dekk |
| Pl. Def. | dekkini |
| Sg. Indef. | deks |
| Sg. Def. | deksins |
| Pl. Indef. | dekka |
| Pl. Def. | dekkanna |
| Sg. Indef. | dekki |
| Sg. Def. | dekkinum |
| Pl. Indef. | dekkum |
| Pl. Def. | dekkunum |
| Sg. Indef. | dekk |
| Sg. Def. | dekkið |
| Pl. Indef. | dekk |
| Pl. Def. | dekkini |