Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Ĭāpys |
| Gen. | Iapydis |
| Dat. | Iapydi |
| Acc. | Iapydem |
| Abl. | Iapydi |
| Voc. | Ĭāpys |
| PLURIEL |
| Nom. | Iapydes |
| Gen. | Iapydĭum |
| Dat. | Iapydĭbus |
| Acc. | Iapydes |
| Abl. | Iapydĭbus |
| Voc. | Iapydes |
| SINGULIER |
| Nom. | Ĭāpys |
| Gen. | Iapydis |
| Dat. | Iapydi |
| Acc. | Iapydem |
| Abl. | Iapydi |
| Voc. | Ĭāpys |
| PLURIEL |
| Nom. | Iapydes |
| Gen. | Iapydĭum |
| Dat. | Iapydĭbus |
| Acc. | Iapydes |
| Abl. | Iapydĭbus |
| Voc. | Iapydes |
| SINGULIER |
| Nom. | Ĭāpys |
| Gen. | Iapydis |
| Dat. | Iapydi |
| Acc. | Ĭāpys |
| Abl. | Iapydi |
| Voc. | Ĭāpys |
| PLURIEL |
| Nom. | Iapydĭa |
| Gen. | Iapydĭum |
| Dat. | Iapydĭbus |
| Acc. | Iapydĭa |
| Abl. | Iapydĭbus | |