| Singular | Plural | |
|---|---|---|
| Nominativ | mefitis, mephitis | mefitis, mephitis, mephites |
| Genitiv | mefitis, mephitis | mephitium, mephitum |
| Dativ | mephiti, mephite | mephitibus |
| Akkusativ | mephitim, mephitem | mephites, mefitis, mephiteis, mephitis |
| Ablativ | mephiti, mephite | mephitibus |
| Vokativ | mefitis, mephitis | mephites |