| Singular | Plural | |
|---|---|---|
| Nominativ | zephirus, zephyrus, zephyrusque | zephyri, zephyrique |
| Genitiv | zephyri, zephyrique | zephyrorum, zephyrum, zephyrumque |
| Dativ | zephyro, zephyroque | zephyris |
| Akkusativ | zephyrom, zephyrum, zephyrumque | zephiros, zephyros |
| Ablativ | zephyro, zephyroque | zephyris |
| Vokativ | zephyre | zephyri, zephyrique |