Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Magnesius |
| Gen. | Magnesii |
| Dat. | Magnesio |
| Acc. | Magnesium |
| Abl. | Magnesio |
| Voc. | Magnesie |
| PLURIEL |
| Nom. | Magnesii |
| Gen. | Magnesiōrum |
| Dat. | Magnesiis |
| Acc. | Magnesios |
| Abl. | Magnesiis |
| Voc. | Magnesii |
| SINGULIER |
| Nom. | Magnesiă |
| Gen. | Magnesiae |
| Dat. | Magnesiae |
| Acc. | Magnesiam |
| Abl. | Magnesiā |
| Voc. | Magnesiă |
| PLURIEL |
| Nom. | Magnesiae |
| Gen. | Magnesiārum |
| Dat. | Magnesiis |
| Acc. | Magnesias |
| Abl. | Magnesiis |
| Voc. | Magnesiae |
| SINGULIER |
| Nom. | Magnesium |
| Gen. | Magnesii |
| Dat. | Magnesio |
| Acc. | Magnesium |
| Abl. | Magnesio |
| Voc. | Magnesium |
| PLURIEL |
| Nom. | Magnesia |
| Gen. | Magnesiōrum |
| Dat. | Magnesiis |
| Acc. | Magnesia |
| Abl. | Magnesiis | |