| Sg. Indef. | sigul |
| Sg. Def. | sigulin |
| Pl. Indef. | siglar |
| Pl. Def. | siglarnir |
| Sg. Indef. | siguls |
| Sg. Def. | sigulsins |
| Pl. Indef. | sigla |
| Pl. Def. | siglanna |
| Sg. Indef. | sigli |
| Sg. Def. | siglinum |
| Pl. Indef. | siglum |
| Pl. Def. | siglunum |
| Sg. Indef. | sigul |
| Sg. Def. | sigulin |
| Pl. Indef. | siglar |
| Pl. Def. | siglarnar |