| Dualetantum | duale tantum |
| Pluraletantum | plurale tantum |
| Dualität | duality |
| Qualität | quality |
| qualitativ | qualitative |
| Aalenium | Aalenian |
| Dilettantin | nonprofessional dabbler |
| Dilettant | dilettante amateur |
| Dublette | duplicate |
| Planetarium | planetarium |
| Capitanium | Capitanian |
| Kaltanruf | cold call |
| Unobtanium | unobtainium |
| Quantum | quantum |
| Augmentum | augment |
| Bauerntum | peasant |
| Zarentum | tsardom |
| Fürstentum | principality |
| Judentum | Judaism Jewry |
| Altertum | antiquity |