| Sg. Indef. | stafur |
| Sg. Def. | stafurinn |
| Pl. Indef. | stafir |
| Pl. Def. | stafirnir |
| Sg. Indef. | stafs |
| Sg. Def. | stafsins |
| Pl. Indef. | stafa |
| Pl. Def. | stafanna |
| Sg. Indef. | staf |
| Sg. Def. | stafnum |
| Pl. Indef. | stöfum |
| Pl. Def. | stöfunum |
| Sg. Indef. | staf |
| Sg. Def. | stafinn |
| Pl. Indef. | stafi |
| Pl. Def. | stafina |