| Aktiv | active voice |
| aktiv | active |
| Aktiva | asset |
| Aktivum | asset active voice active |
| Aktivist | activist |
| Aktivator | activator |
| Aktie | share stock |
| Aktin | actin |
| Aktivität | activity |
| aktiviert | activated |
| Aktien | equity |
| Aktivieren | activation |
| aktivieren | activate |
| Aktivismus | activism |
| inaktiv | dormant |
| Akt | act action nude file |
| Akte | file |
| Aktion | action operation promotion campaign |
| Aktivistin | activist |
| Aktivkohle | activated carbon activated coal |