| Quadrupeder | quadruped |
| Quadrupede | quadruped |
| Quadrieren | quadrature |
| quadrieren | square |
| quadrupedisch | quadrupedally |
| Quadratmeter | square meter square metre |
| Querruder | aileron |
| Quadriplegie | quadriplegia |
| Quadrocopter | quadcopter |
| Quadrokopter | quadcopter |
| quartieren | quarter |
| Quaddel | welt |
| Quader | cuboid rectangular cuboid rectangular parallelepiped |
| Quadratur | quadrature |
| Quadrille | quadrille |
| Quadrizeps | quadriceps |
| Quartier | accommodation quarter |
| Madrider | Madrilenian Madrileño |
| Saufeder | boar spear |
| Europider | Caucasian Caucasoid Europid |