Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | pernix |
| Gen. | pernicis |
| Dat. | pernici |
| Acc. | pernicem |
| Abl. | pernici |
| Voc. | pernix |
| PLURIEL |
| Nom. | pernices |
| Gen. | pernicĭum |
| Dat. | pernicĭbus |
| Acc. | pernices |
| Abl. | pernicĭbus |
| Voc. | pernices |
| SINGULIER |
| Nom. | pernix |
| Gen. | pernicis |
| Dat. | pernici |
| Acc. | pernicem |
| Abl. | pernici |
| Voc. | pernix |
| PLURIEL |
| Nom. | pernices |
| Gen. | pernicĭum |
| Dat. | pernicĭbus |
| Acc. | pernices |
| Abl. | pernicĭbus |
| Voc. | pernices |
| SINGULIER |
| Nom. | pernix |
| Gen. | pernicis |
| Dat. | pernici |
| Acc. | pernix |
| Abl. | pernici |
| Voc. | pernix |
| PLURIEL |
| Nom. | pernicĭa |
| Gen. | pernicĭum |
| Dat. | pernicĭbus |
| Acc. | pernicĭa |
| Abl. | pernicĭbus | |