Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | enneaphtongos |
| Gen. | enneaphtongi |
| Dat. | enneaphtongo |
| Acc. | enneaphtongon |
| Abl. | enneaphtongo |
| Voc. | enneaphtonge |
| PLURIEL |
| Nom. | enneaphtongi |
| Gen. | enneaphtongōrum |
| Dat. | enneaphtongis |
| Acc. | enneaphtongos |
| Abl. | enneaphtongis |
| Voc. | enneaphtongi |
| SINGULIER |
| Nom. | enneaphtongă |
| Gen. | enneaphtongae |
| Dat. | enneaphtongae |
| Acc. | enneaphtongam |
| Abl. | enneaphtongā |
| Voc. | enneaphtongă |
| PLURIEL |
| Nom. | enneaphtongae |
| Gen. | enneaphtongārum |
| Dat. | enneaphtongis |
| Acc. | enneaphtongas |
| Abl. | enneaphtongis |
| Voc. | enneaphtongae |
| SINGULIER |
| Nom. | enneaphtongon |
| Gen. | enneaphtongi |
| Dat. | enneaphtongo |
| Acc. | enneaphtongon |
| Abl. | enneaphtongo |
| Voc. | enneaphtongon |
| PLURIEL |
| Nom. | enneaphtonga |
| Gen. | enneaphtongōrum |
| Dat. | enneaphtongis |
| Acc. | enneaphtonga |
| Abl. | enneaphtongis | |