| Singular | Plural | |
|---|---|---|
| Nominativ | frigus, frigus | frigora, frigora, frigoraque |
| Genitiv | frigoris, frigoris | frigorum, frigorium, frigorum, frigorium |
| Dativ | frigore, frigori, frigori | frigoribus, frigoribus |
| Akkusativ | frigus, frigus | frigoraque, frigora, frigora |
| Ablativ | frigore, frigore | frigoribus, frigoribus |
| Vokativ | frigus, frigus | frigoraque, frigora, frigora |