| Sg | Pl | |
| Nom | vegr | vegar (rule) |
| Acc | veg (rule) | vega (rule) |
| Dat | vegi (rule) | vegum (rule) |
| Gen | vegs (rule) | vega (rule) |
| Sg | Pl | |
| Nom | vegrinn (rule) | vegarnir (rule) |
| Acc | veginn (rule) | vegana (rule) |
| Dat | veginum (rule) | vegunum (rule) |
| Gen | vegsins (rule) | veganna (rule) |