| Direktorium | board of directors |
| Direktorin | headmistress director manager |
| Direktor | manager director headmaster principal senior vice president |
| Direktrice | manageress |
| Refektorium | refectory |
| Dormitorium | dormitory dorter dortour |
| Direktflug | direct flight |
| Direktion | administration department |
| Direktive | directive |
| direktiv | directive |
| Prekarium | precarium |
| Rektorin | headmistress |
| Insektarium | insectarium |
| Dielektrikum | dielectric |
| Nektarium | floral nectary honey leaf nectary |
| Offertorium | offertory |
| Oratorium | oratory |
| Purgatorium | Purgatory |
| Skriptorium | scriptorium |
| Krematorium | crematory crematorium |