| Singular | Plural | |
|---|---|---|
| Nominativ | excelsom, excelsum | excelsaque, excelsa, excelsaeque |
| Genitiv | excelsi | excelsorum |
| Dativ | excelso | excelsis |
| Akkusativ | excelsum | excelsaeque, excelsaque, excelsa |
| Ablativ | excelso | excelsis |
| Vokativ | excelsum | excelsaque, excelsa, excelsaeque |