Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | octangulus |
| Gen. | octanguli |
| Dat. | octangulo |
| Acc. | octangulum |
| Abl. | octangulo |
| Voc. | octangule |
| PLURIEL |
| Nom. | octanguli |
| Gen. | octangulōrum |
| Dat. | octangulis |
| Acc. | octangulos |
| Abl. | octangulis |
| Voc. | octanguli |
| SINGULIER |
| Nom. | octangulă |
| Gen. | octangulae |
| Dat. | octangulae |
| Acc. | octangulam |
| Abl. | octangulā |
| Voc. | octangulă |
| PLURIEL |
| Nom. | octangulae |
| Gen. | octangulārum |
| Dat. | octangulis |
| Acc. | octangulas |
| Abl. | octangulis |
| Voc. | octangulae |
| SINGULIER |
| Nom. | octangulum |
| Gen. | octanguli |
| Dat. | octangulo |
| Acc. | octangulum |
| Abl. | octangulo |
| Voc. | octangulum |
| PLURIEL |
| Nom. | octangula |
| Gen. | octangulōrum |
| Dat. | octangulis |
| Acc. | octangula |
| Abl. | octangulis | |