| Singular | cardō |
| Plural | cardinēs; cardōnēs |
| Singular | cardinis; cardōnis |
| Plural | cardinum; cardōnum |
| Singular | cardinī; cardōnī |
| Plural | cardinibus; cardōnibus |
| Singular | cardinem; cardōnem |
| Plural | cardinēs; cardōnēs |
| Singular | cardine; cardōne |
| Plural | cardinibus; cardōnibus |
| Singular | cardō |
| Plural | cardinēs; cardōnēs |