| Quadratkilometer | square kilometre |
| Quadratmikrometer | square micrometer square micrometre |
| Quadratmillimeter | square millimeter square millimetre |
| Quadratdezimeter | square decimetre |
| Quadratmeter | square meter square metre |
| Quadratzentimeter | square centimeter |
| Quadrokopter | quadcopter |
| Stundenkilometer | kilometer per hour kilometre per hour |
| Quadrocopter | quadcopter |
| Quartiermeister | quartermaster |
| Quadratmeile | square mile |
| quadrillionste | septillionth |
| Kilometer | kilometer kilometre |
| Adaptometer | adaptometer |
| Aräometer | areometer |
| Eudiometer | eudiometer |
| Radiometer | radiometer |
| Refraktometer | refractometer |
| Quadrieren | quadrature |
| quadrieren | square |