| SG | PL | |
| NOM | u̯ātarš (rule) | u̯ātareš (rule) |
| ACC | u̯ātarn (rule) | ? (rule) |
| GEN | u̯ātaraš (rule) | u̯ātarš (rule) |
| DAT | u̯ātari (rule) | u̯ātaraš (rule) |
| LOC | u̯ātari (rule) | u̯ātaraš (rule) |
| ALL | u̯ātara (rule) | ? (rule) |
| ERG | u̯ātaranza (rule) | u̯ātaranteš (rule) |
| ABL | u̯ātarz (rule) | |
| INS | u̯ātart (rule) |