| Quadratfuß | square foot |
| Quadratum | quadrate bone |
| Quadratur | quadrature |
| Quadrat- | square |
| Quadrat | square |
| Quadratzahl | square number |
| quadratisch | quadratic square |
| Quadrant | quadrant |
| Quadratmeile | square mile |
| Quadratmeter | square meter square metre |
| Quadratwurzel | square root |
| Quadrivium | quadrivium |
| Quadrizeps | quadriceps |
| quadratförmig | square square-shaped |
| Kratzfuß | bow and scrape |
| Plattfuß | flat foot |
| Dreifuß | tripod |
| barfuß | barefoot |
| Querschuss | ricochet |
| Judaskuss | kiss of Judas |