Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | illex |
| Gen. | illegis |
| Dat. | illegi |
| Acc. | illegem |
| Abl. | illegi |
| Voc. | illex |
| PLURIEL |
| Nom. | illeges |
| Gen. | illegĭum |
| Dat. | illegĭbus |
| Acc. | illeges |
| Abl. | illegĭbus |
| Voc. | illeges |
| SINGULIER |
| Nom. | illex |
| Gen. | illegis |
| Dat. | illegi |
| Acc. | illegem |
| Abl. | illegi |
| Voc. | illex |
| PLURIEL |
| Nom. | illeges |
| Gen. | illegĭum |
| Dat. | illegĭbus |
| Acc. | illeges |
| Abl. | illegĭbus |
| Voc. | illeges |
| SINGULIER |
| Nom. | illex |
| Gen. | illegis |
| Dat. | illegi |
| Acc. | illex |
| Abl. | illegi |
| Voc. | illex |
| PLURIEL |
| Nom. | illegĭa |
| Gen. | illegĭum |
| Dat. | illegĭbus |
| Acc. | illegĭa |
| Abl. | illegĭbus | |