| Aktivkohle | activated carbon activated coal |
| Steinkohle | hard coal glance coal |
| Kniekehle | back of the knee hollow of the knee knee pit popliteal space |
| Aktienbörse | stock exchange |
| Aktiva | asset |
| Aktivator | activator |
| Aktivieren | activation |
| aktivieren | activate |
| Aktivismus | activism |
| Aktenkoffer | attache case |
| Aktie | share stock |
| Aktion | action operation promotion campaign |
| Aktionär | shareholder stockholder |
| Aktiv | active voice |
| aktiv | active |
| Aktivist | activist |
| Aktivistin | activist |
| Aktivität | activity |
| Aktivum | asset active voice active |
| aktiviert | activated |