| Quadratwurzel | square root |
| Quadratur | quadrature |
| Quadratfuß | square foot |
| Quadratmeile | square mile |
| Quadratmeter | square meter square metre |
| Quadratschädel | square head block |
| Quadratum | quadrate bone |
| Quadratzahl | square number |
| quadratförmig | square square-shaped |
| Wortwurzel | root |
| Baldrianwurzel | valerian |
| Haarwurzel | root |
| Quadrieren | quadrature |
| quadrieren | square |
| quartieren | quarter |
| Quadrat- | square |
| Quadrat | square |
| Quadratestadt | City of Squares |
| Quadratsekunde | second |
| quadratisch | quadratic square |