| Acqua alta | acqua alta |
| Aquatinta | aquatint |
| Acquedolci | Acquedolci |
| Aquadest | distilled water |
| Aquapark | aquapark |
| Aquarist | aquarist |
| gequält | annoyed |
| Aquakultur | aquaculture |
| Aqualith | aqualite |
| Aquamarin | aquamarine |
| aquamarin | aquamarine |
| Aquarell | watercolour watercolor |
| Aquavit | aquavit |
| Aquädukt | aqueduct |
| Jacquard | jacquard |
| Aqualunge | aqualung |
| Aquaponik | aquaponics |
| Aquaristin | aquarist |
| Quart | quart |
| Quarzit | quartzite |