Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | pernicialis |
| Gen. | pernicialis |
| Dat. | perniciali |
| Acc. | pernicialem |
| Abl. | perniciali |
| Voc. | pernicialis |
| PLURIEL |
| Nom. | perniciales |
| Gen. | pernicialĭum |
| Dat. | pernicialĭbus |
| Acc. | perniciales |
| Abl. | pernicialĭbus |
| Voc. | perniciales |
| SINGULIER |
| Nom. | pernicialis |
| Gen. | pernicialis |
| Dat. | perniciali |
| Acc. | pernicialem |
| Abl. | perniciali |
| Voc. | pernicialis |
| PLURIEL |
| Nom. | perniciales |
| Gen. | pernicialĭum |
| Dat. | pernicialĭbus |
| Acc. | perniciales |
| Abl. | pernicialĭbus |
| Voc. | perniciales |
| SINGULIER |
| Nom. | perniciale |
| Gen. | pernicialis |
| Dat. | perniciali |
| Acc. | perniciale |
| Abl. | perniciali |
| Voc. | perniciale |
| PLURIEL |
| Nom. | pernicialĭa |
| Gen. | pernicialĭum |
| Dat. | pernicialĭbus |
| Acc. | pernicialĭa |
| Abl. | pernicialĭbus | |