| Sg | Pl | |
| Nom | víking | víkingar (rule) |
| Acc | víking (rule) | víkingar (rule) |
| Dat | víkingu (rule) | víkingum (rule) |
| Gen | víkingar (rule) | víkinga (rule) |
| Sg | Pl | |
| Nom | víkingin (rule) | víkingarnar (rule) |
| Acc | víkingina (rule) | víkingarnar (rule) |
| Dat | víkingunni (rule) | víkingunum (rule) |
| Gen | víkingarinnar (rule) | víkinganna (rule) |