| Aquapark | aquapark |
| Aquaponik | aquaponics |
| Aquamarin | aquamarine |
| aquamarin | aquamarine |
| Äquator | equator |
| Quark | cottage cheese quark fromage frais |
| Quasar | quasar |
| Kurpark | spa gardens |
| Naturpark | natural preserve nature park |
| autark | autarkic self-sufficient self-sustaining |
| Aquadest | distilled water |
| Aquarist | aquarist |
| Äquativ | equative |
| Aqualith | aqualite |
| Aquarell | watercolour watercolor |
| Aquarium | aquarium tank |
| Aquavit | aquavit |
| Aquifer | aquifer |
| Aquädukt | aqueduct |
| äquivok | equivocal |