| Aktivator | activator |
| Aktiva | asset |
| Aktivität | activity |
| Auktionator | auctioneer |
| Kultivator | cultivator |
| Animator | animator |
| Agitator | agitator |
| Alligator | alligator |
| Aktuar | actuary |
| Aktion | action operation promotion campaign |
| Aktionär | shareholder stockholder |
| Aktiv | active voice |
| aktiv | active |
| Aktivist | activist |
| Aktivistin | activist |
| Aktivum | asset active voice active |
| Aktor | actuator |
| aktiviert | activated |
| Motivation | motivation |
| Avatar | avatar |