| Quarkonium | quarkonium |
| Zirkonium | zirconium |
| Aeronium | Aeronian |
| Bartonium | Bartonian |
| Harmonium | harmonium reed organ |
| Aquarium | aquarium tank |
| Quadrivium | quadrivium |
| Quantum | quantum |
| Arkanum | arcana arcanum |
| Narkotikum | anaesthetic anesthetic |
| Bierkonsum | consumption of beer |
| Bathonium | Bathonian |
| Santonium | Santonian |
| Tortonium | Tortonian |
| Ammonium | ammonium |
| Euphonium | euphonium |
| Europium | europium |
| Aquaponik | aquaponics |
| Quaken | croak |
| quaken | croak quack |
| quäken | squeak |