| Nominativ | administratorium, administratoria, administratorius | administratoriae, administratorii, administratoria |
| Genitiv | administratorii, administratorii, administratoriae | administratoriorum, administratoriorum, administratoriarum |
| Dativ | administratorio, administratorio, administratoriae | administratoriis |
| Akkusativ | administratoriam, administratorium, administratorium | administratorios, administratorias, administratoria |
| Ablativ | administratorio, administratoria, administratorio | administratoriis |
| Vokativ | administratorie, administratorium, administratoria | administratoriae, administratorii, administratoria |
