| Quantor | quantifier |
| Quästor | quaestor |
| Quant | quantum |
| Quanten | big trotters boats clodhoppers |
| Quantil | quantile |
| Quantum | quantum |
| Quartär | Quaternary |
| Äquator | equator |
| Kantor | cantor |
| Quart | quart |
| Quartil | quartile |
| Allquantor | universal quantification |
| Quader | cuboid rectangular cuboid rectangular parallelepiped |
| Quartal | quarter |
| Quartier | accommodation quarter |
| Quasar | quasar |
| Quaste | brush |
| Quäker | Quaker |
| quanteln | quantising quantizing quantise quantize |
| Guano | guano |