Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | heptagonos |
| Gen. | heptagoni |
| Dat. | heptagono |
| Acc. | heptagonon |
| Abl. | heptagono |
| Voc. | heptagone |
| PLURIEL |
| Nom. | heptagoni |
| Gen. | heptagonōrum |
| Dat. | heptagonis |
| Acc. | heptagonos |
| Abl. | heptagonis |
| Voc. | heptagoni |
| SINGULIER |
| Nom. | heptagonă |
| Gen. | heptagonae |
| Dat. | heptagonae |
| Acc. | heptagonam |
| Abl. | heptagonā |
| Voc. | heptagonă |
| PLURIEL |
| Nom. | heptagonae |
| Gen. | heptagonārum |
| Dat. | heptagonis |
| Acc. | heptagonas |
| Abl. | heptagonis |
| Voc. | heptagonae |
| SINGULIER |
| Nom. | heptagonon |
| Gen. | heptagoni |
| Dat. | heptagono |
| Acc. | heptagonon |
| Abl. | heptagono |
| Voc. | heptagonon |
| PLURIEL |
| Nom. | heptagona |
| Gen. | heptagonōrum |
| Dat. | heptagonis |
| Acc. | heptagona |
| Abl. | heptagonis | |