| Quantentopf | quantum well |
| Quantenlogik | quantum logic |
| Quanten | big trotters boats clodhoppers |
| Quantenoptik | quantum optics |
| Quaternion | quaternion |
| Quantelung | quantisation quantization |
| Quantenpunkt | quantum dot |
| Quantentheorie | quantum theory |
| Quantität | quantity |
| Quantor | quantifier |
| Quartett | quartet quartette |
| quanteln | quantising quantizing quantise quantize |
| Unterton | subharmonic |
| Hinterkopf | occiput |
| Quintett | quintet |
| Borstenkopf | Pesquet's parrot |
| Datentyp | data type |
| Gartentor | garden gate |
| Totenkopf | skull and crossbones |
| Blumentopf | flowerpot flower pot |