| SG | PL | |
| NOM | parḫeššarš (rule) | parḫeššareš (rule) |
| ACC | parḫeššarn (rule) | ? (rule) |
| GEN | parḫeššaraš (rule) | parḫeššarš (rule) |
| DAT | parḫeššari (rule) | parḫeššaraš (rule) |
| LOC | parḫešni (rule) | parḫeššaraš (rule) |
| ALL | parḫeššara (rule) | ? (rule) |
| ERG | parḫeššaranza (rule) | parḫeššaranteš (rule) |
| ABL | parḫeššarz (rule) | |
| INS | parḫeššart (rule) |