| Singular | Plural | |
|---|---|---|
| Nominativ | adagiom, adagiom, adagium, adagium | adagia, adagia |
| Genitiv | adagii, adagii | adagium, adagium, adagiorum, adagiorum |
| Dativ | adagio, adagio | adagiis, adagiis |
| Akkusativ | adagium, adagium | adagia, adagia |
| Ablativ | adagio, adagio | adagiis, adagiis |
| Vokativ | adagium, adagium | adagia, adagia |