| Singular | Plural | |
|---|---|---|
| Nominativ | gladius, gladius | gladii, gladii |
| Genitiv | gladi, gladii, gladii, cladi | gladiorum, gladiorumque, gladiorum |
| Dativ | gladio, gladioque, gladio | gladiis, gladiisque, gladiis |
| Akkusativ | cladium, gladiumque, gladiom, gladium, gladiom | gladios, gladiosque, gladios |
| Ablativ | gladioque, gladio, gladio | gladiis, gladiisque, gladiis |
| Vokativ | gladie, gladie | gladii, gladii |