| Singular | Plural | |
|---|---|---|
| Nominativ | faenisiciom, faenisicium | faenisicia |
| Genitiv | faenisicii | faenisiciorum, faenisicium |
| Dativ | faenisicio | faenisiciis |
| Akkusativ | faenisicium | faenisicia |
| Ablativ | faenisicio | faenisiciis |
| Vokativ | faenisicium | faenisicia |
12 (14) Formen für „faenisicium“