| Sg | Pl | |
| Nom | vöxtr | vöxtar (rule) |
| Acc | vöxt (rule) | vöxta (rule) |
| Dat | vöxti (rule) | vöxtum (rule) |
| Gen | vöxts (rule) | vöxta (rule) |
| Sg | Pl | |
| Nom | vöxtrinn (rule) | vöxtarnir (rule) |
| Acc | vöxtinn (rule) | vöxtana (rule) |
| Dat | vöxtinum (rule) | vöxtunum (rule) |
| Gen | vöxtsins (rule) | vöxtanna (rule) |