| Quadriga | quadriga |
| Squadrist | blackshirt |
| Quadrant | quadrant |
| Quadrat- | square |
| Quadrat | square |
| Quadrille | quadrille |
| Quagga | quagga |
| Adria | Adriatic Sea |
| Madrigal | madrigal |
| Aquarist | aquarist |
| Quadrieren | quadrature |
| quadrieren | square |
| Quargel | Olomouc cheese |
| Quart | quart |
| Quartil | quartile |
| Quarzit | quartzite |
| Aquarium | aquarium tank |
| Quad | quad quad bike |
| Quaddel | welt |
| Quade | Quadi |