Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | octogonos |
| Gen. | octogoni |
| Dat. | octogono |
| Acc. | octogonon |
| Abl. | octogono |
| Voc. | octogone |
| PLURIEL |
| Nom. | octogoni |
| Gen. | octogonōrum |
| Dat. | octogonis |
| Acc. | octogonos |
| Abl. | octogonis |
| Voc. | octogoni |
| SINGULIER |
| Nom. | octogonă |
| Gen. | octogonae |
| Dat. | octogonae |
| Acc. | octogonam |
| Abl. | octogonā |
| Voc. | octogonă |
| PLURIEL |
| Nom. | octogonae |
| Gen. | octogonārum |
| Dat. | octogonis |
| Acc. | octogonas |
| Abl. | octogonis |
| Voc. | octogonae |
| SINGULIER |
| Nom. | octogonon |
| Gen. | octogoni |
| Dat. | octogono |
| Acc. | octogonon |
| Abl. | octogono |
| Voc. | octogonon |
| PLURIEL |
| Nom. | octogona |
| Gen. | octogonōrum |
| Dat. | octogonis |
| Acc. | octogona |
| Abl. | octogonis | |