| Nominativ | dubiatis, dubium, dubia, dubius, hauddubius, dubiumst, haudubia | dubii, mandubii, dubiatis, dubia, haudubia, dubiae |
| Genitiv | dubii, mandubii, mandubii, dubiae, dubii | dubiorum, dubiarum, mandubiorum, mandubiorum, dubiumst, dubiumst, dubiorum |
| Dativ | dubio, dubio, dubioque, dubioque, dubiae | dubiis, dubis, dubiisque, mandubiis |
| Akkusativ | dubiam, dubiamque, dubium, dubium, dubiumst, dubiumst | haudubia, dubios, dubiosque, dubias, dubiatis, dubia |
| Ablativ | dubiatis, dubio, dubia, dubio, dubioque, haudubia, dubioque | dubiis, dubis, dubiisque, mandubiis |
| Vokativ | dubiatis, dubium, dubia, dubiumst, dubie, haudubia, dubietat | dubiae, dubii, mandubii, dubiatis, dubia, haudubia |
