| Singular | Plural | |
|---|---|---|
| Nominativ | tiberisque, tiberis, thybris | tiberes |
| Genitiv | tiberisque, thybris, tiberis | tiberium, tiberiumque, tiberum |
| Dativ | tiberiana, dibere, tiberianam, tibere, tiberiusque, tiberiolus, thybri, tiberi | tiberibus |
| Akkusativ | tiberem, tiberim | tiberis, tiberisque, tibereis, tiberes, thybris |
| Ablativ | tiberiana, dibere, tiberianam, tibere, tiberiusque, tiberiolus, thybri, tiberi | tiberibus |
| Vokativ | tiberisque, tiberis | tiberes |