| Singular | Plural | |
|---|---|---|
| Nominativ | chorioides | chorioidae |
| Genitiv | chorioidae, chorioidai | chorioidum, chorioidarum |
| Dativ | chorioidae, chorioidai | chorioidabus, chorioidis |
| Akkusativ | chorioiden, chorioidam | chorioidas |
| Ablativ | chorioide, chorioida | chorioidabus, chorioidis |
| Vokativ | chorioide, chorioida | chorioidae |