| Singular | Plural | |
|---|---|---|
| Nominativ | conventicium | conventicia |
| Genitiv | conventici, conventicii | conventicium, conventiciorum |
| Dativ | conventicio | conventiciis |
| Akkusativ | conventicium | conventicia |
| Ablativ | conventicio | conventiciis |
| Vokativ | conventicium | conventicia |
12 (14) Formen für „conventicium“