| Singular | Plural | |
|---|---|---|
| Nominativ | hexagonom, hexagonom, hexagonum, hexagonum | hexagona, hexagona |
| Genitiv | hexagoni, hexagoni | hexagonum, hexagonum, hexagonorum, hexagonorum |
| Dativ | hexagono, hexagono | hexagonis, hexagonis |
| Akkusativ | hexagonum, hexagonum | hexagona, hexagona |
| Ablativ | hexagono, hexagono | hexagonis, hexagonis |
| Vokativ | hexagonum, hexagonum | hexagona, hexagona |