| Singular | Plural | |
|---|---|---|
| Nominativ | telegenius, genius | genii |
| Genitiv | diogeni, genitorque, genialitas, genitricis, ceni, genialiter, geniculis, quadrigeni, geniculo, belligeni, geniculus, commageni, genii, genilare | geniorum |
| Dativ | genioque, genio | geniis |
| Akkusativ | eugenium, geniumque, geniom, genium | genios |
| Ablativ | genioque, genio | geniis |
| Vokativ | genilare, diogeni, ceni, genitorque, genialitas, genitricis, genialiter, geniculis, quadrigeni, geniculo, belligeni, geniculus, commageni, genie | genii |
| Grundform | |
|---|---|
| Positiv | genialiter |
| Komparativ | — |
| Superlativ | — |