| Singular | Plural | |
|---|---|---|
| Nominativ | subregulus, subregulus | subreguli, subreguli |
| Genitiv | subreguli, subreguli | subregulorum, subregulorum, subregulum, subregulum |
| Dativ | subregulo, subregulo | subregulis, subregulis |
| Akkusativ | subregulom, subregulom, subregulum, subregulum | subregulos, subregulos |
| Ablativ | subregulo, subregulo | subregulis, subregulis |
| Vokativ | subregule, subregule | subreguli, subreguli |