| Quadrupede | quadruped |
| Quadrupeder | quadruped |
| Quadrieren | quadrature |
| quadrieren | square |
| Quadriplegie | quadriplegia |
| quadrupedisch | quadrupedally |
| Quadrille | quadrille |
| Quadrizeps | quadriceps |
| Quappe | burbot |
| Quargel | Olomouc cheese |
| quartieren | quarter |
| Quaddel | welt |
| Quade | Quadi |
| Quader | cuboid rectangular cuboid rectangular parallelepiped |
| Quaderstein | ashlar square stone |
| Quadrant | quadrant |
| Quadrat- | square |
| Quadrat | square |
| Quadratmeile | square mile |
| Quadratmeter | square meter square metre |