Deklinationen
| Singular | Plural | |
|---|---|---|
| Nominativ | singular sg foetus | plural pl foetus |
| Genitiv | singular sg foetus | plural pl foetuum |
| Dativ | singular sg foetui | plural pl foetibus |
| Akkusativ | singular sg foetum | plural pl foetus |
| Ablativ | singular sg foetu | plural pl foetibus |
| Vokativ | singular sg foetus | plural pl foetus |
