| Aqualith | aqualite |
| Aquavit | aquavit |
| Aquarist | aquarist |
| aquatisch | aquatic |
| Äquativ | equative |
| Aquarium | aquarium tank |
| Aquatinta | aquatint |
| Qualität | quality |
| Sodalith | sodalite |
| Megalith | megalith |
| Aerolith | aerolite |
| Aquadest | distilled water |
| Aqualunge | aqualung |
| Aquapark | aquapark |
| Aquaristin | aquarist |
| Vaquita | vaquita |
| Aquarell | watercolour watercolor |
| Aquaristik | fishkeeping |
| Aquädukt | aqueduct |
| Äquator | equator |