| ach was | duh |
| ach ja | oh well |
| Achäa | Achaea |
| ach nee | duh |
| Achaia | Achaea |
| Achat | agate |
| Achau | Achau |
| Achäer | Achaean |
| Lachgas | laughing gas |
| achtbar | reputable |
| achtens | eighthly |
| achtlos | careless |
| achtmal | eight times |
| achtsam | attentive careful carefully observant observantly with care |
| (ach) ja? | really |
| Ach-Laut | ach-laut |
| Achund | akhund |
| Dachhase | gutter rabbit |
| Dachsbau | sett |
| Kachina | kachina |