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