Deklinationen
| Singular | Plural | |
|---|---|---|
| Nominativ | singular sg felix | plural pl felices |
| Genitiv | singular sg felicis | plural pl felicum |
| Dativ | singular sg felici | plural pl felicibus |
| Akkusativ | singular sg felicem | plural pl felices |
| Ablativ | singular sg felice | plural pl felicibus |
| Vokativ | singular sg felix | plural pl felices |