| Singular | Plural | |
|---|---|---|
| Nominativ | fabianum, fabia, fabianus, fabiumque, fabius, fabium | fabia, fabii, fabiae, fabiani, fabianae |
| Genitiv | fabii, fabii, fabiae, fabiani, fabiani, fabianae | fabiorum, fabiarum, fabiorum |
| Dativ | fabioque, fabioque, fabiano, fabiano, fabiae, fabianae, fabio, fabio | fabiis, fabianis |
| Akkusativ | fabium, fabium, fabianum, fabianum, fabiumque, fabiumque, fabiam | fabia, fabias, fabios |
| Ablativ | fabio, fabia, fabioque, fabioque, fabiano, fabiano, fabio | fabianis, fabiis |
| Vokativ | fabium, fabia, fabianum, fabiumque, fabie | fabia, fabii, fabiae, fabiani, fabianae |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | — |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | — |
| Singular | Plural | |
|---|---|---|
| Nominativ | fabius | fabii |
| Genitiv | fabi, fabiani, fabianis, fabiano, fabianum, fabianus, fabiana, fabii, fabianae | fabiumque, fabiorum, fabium |
| Dativ | fabioque, fabio | fabiis |
| Akkusativ | fabiom, fabiumque, fabium | fabios |
| Ablativ | fabioque, fabio | fabiis |
| Vokativ | fabiani, fabianis, fabiano, fabianum, fabianus, fabiana, fabianae, fabi | fabii |
| Grundform | |
|---|---|
| Positiv | fabie |
| Komparativ | — |
| Superlativ | — |