| Singular | Plural | |
|---|---|---|
| Nominativ | protestans | protestantis, protestantes |
| Genitiv | protestantis | protestantium, protestantum |
| Dativ | protestante, protestanti | protestantibus |
| Akkusativ | protestantem | protestantis, protestantes |
| Ablativ | protestante, protestanti | protestantibus |
| Vokativ | protestans | protestantes |