Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Napaeus |
| Gen. | Napaei |
| Dat. | Napaeo |
| Acc. | Napaeum |
| Abl. | Napaeo |
| Voc. | Napaee |
| PLURIEL |
| Nom. | Napaei |
| Gen. | Napaeōrum |
| Dat. | Napaeis |
| Acc. | Napaeos |
| Abl. | Napaeis |
| Voc. | Napaei |
| SINGULIER |
| Nom. | Napaeă |
| Gen. | Napaeae |
| Dat. | Napaeae |
| Acc. | Napaeam |
| Abl. | Napaeā |
| Voc. | Napaeă |
| PLURIEL |
| Nom. | Napaeae |
| Gen. | Napaeārum |
| Dat. | Napaeis |
| Acc. | Napaeas |
| Abl. | Napaeis |
| Voc. | Napaeae |
| SINGULIER |
| Nom. | Napaeum |
| Gen. | Napaei |
| Dat. | Napaeo |
| Acc. | Napaeum |
| Abl. | Napaeo |
| Voc. | Napaeum |
| PLURIEL |
| Nom. | Napaea |
| Gen. | Napaeōrum |
| Dat. | Napaeis |
| Acc. | Napaea |
| Abl. | Napaeis | |