Deklinationen
| Singular | Plural | |
|---|---|---|
| Nominativ | singular sg fossa | plural pl fossae |
| Genitiv | singular sg fossae | plural pl fossārum |
| Dativ | singular sg fossae | plural pl fossīs |
| Akkusativ | singular sg fossam | plural pl fossās |
| Ablativ | singular sg fossā | plural pl fossīs |
| Vokativ | singular sg fossa | plural pl fossae |