| Quartett | quartet quartette |
| Quintett | quintet |
| Quargel | Olomouc cheese |
| Quart | quart |
| Quartil | quartile |
| Quarzit | quartzite |
| Quanten | big trotters boats clodhoppers |
| Quantität | quantity |
| Quartal | quarter |
| Quartier | accommodation quarter |
| Quartär | Quaternary |
| Quaste | brush |
| quanteln | quantising quantizing quantise quantize |
| Klartext | cleartext straight talk |
| geartet | natured |
| Urtext | urtext |
| Barett | beret |
| Parkett | parquet |
| Aquadest | distilled water |
| Aquarist | aquarist |