| Singular | tūber; tuber |
| Plural | tūbera; tuberēs |
| Singular | tūberis; tuberis |
| Plural | tūberum; tuberum |
| Singular | tūberī; tuberī |
| Plural | tūberibus; tuberibus |
| Singular | tūber; tuberem |
| Plural | tūbera; tuberēs |
| Singular | tūbere; tubere |
| Plural | tūberibus; tuberibus |
| Singular | tūber; tuber |
| Plural | tūbera; tuberēs |