| Quartil | quartile |
| Quantil | quantile |
| Quartal | quarter |
| Quargel | Olomouc cheese |
| Quart | quart |
| Quarzit | quartzite |
| Quartier | accommodation quarter |
| Quartär | Quaternary |
| Quaffel | quaffle |
| Äquativ | equative |
| Aquarell | watercolour watercolor |
| Quaddel | welt |
| Qual | torment agony torture pain |
| Quant | quantum |
| Quanten | big trotters boats clodhoppers |
| Quantor | quantifier |
| Quantum | quantum |
| Quark | cottage cheese quark fromage frais |
| Quartett | quartet quartette |
| Quarz | quartz |