| Sg. Indef. | naggrís |
| Sg. Def. | naggrísinn |
| Pl. Indef. | naggrísir |
| Pl. Def. | naggrísirnir |
| Sg. Indef. | naggríss |
| Sg. Def. | naggríssins |
| Pl. Indef. | naggrísa |
| Pl. Def. | naggrísanna |
| Sg. Indef. | naggrís |
| Sg. Def. | naggrísnum; naggrísinum |
| Pl. Indef. | naggrísum |
| Pl. Def. | naggrísunum |
| Sg. Indef. | naggrís |
| Sg. Def. | naggrísinn |
| Pl. Indef. | naggrísi |
| Pl. Def. | naggrísina |