| Sg. Indef. | magn |
| Sg. Def. | magnið |
| Pl. Indef. | mögn |
| Pl. Def. | mögnin |
| Sg. Indef. | magns |
| Sg. Def. | magnsins |
| Pl. Indef. | magna |
| Pl. Def. | magnanna |
| Sg. Indef. | magni |
| Sg. Def. | magninu |
| Pl. Indef. | mögnum |
| Pl. Def. | mögnunum |
| Sg. Indef. | magn |
| Sg. Def. | magnið |
| Pl. Indef. | mögn |
| Pl. Def. | mögnin |