| Sg | Pl | |
| Nom | snjór | snjóar (rule) |
| Acc | snjó (rule) | snjóa (rule) |
| Dat | snjói (rule) | snjóm (rule) |
| Gen | snjós (rule) | snjóa (rule) |
| Sg | Pl | |
| Nom | snjórinn (rule) | snjórnir (rule) |
| Acc | snjónn (rule) | snjóna (rule) |
| Dat | snjónum (rule) | snjónum (rule) |
| Gen | snjósins (rule) | snjónna (rule) |