| Sg. Indef. | karfi |
| Sg. Def. | karfinn |
| Pl. Indef. | karfar |
| Pl. Def. | karfarnir |
| Sg. Indef. | karfa |
| Sg. Def. | karfans |
| Pl. Indef. | karfa |
| Pl. Def. | karfanna |
| Sg. Indef. | karfa |
| Sg. Def. | karfanum |
| Pl. Indef. | körfum |
| Pl. Def. | körfunum |
| Sg. Indef. | karfa |
| Sg. Def. | karfann |
| Pl. Indef. | karfa |
| Pl. Def. | karfana |