| Singular | Plural | |
|---|---|---|
| Nominativ | armoracea | armoraceae |
| Genitiv | armoraceae, armoraceai | armoracearum, armoraceum |
| Dativ | armoraceai, armoraceae | armoraceis, armoraceabus |
| Akkusativ | armoraceam | armoraceas |
| Ablativ | armoracea, armoracead | armoraceis, armoraceabus |
| Vokativ | armoracea | armoraceae |