| Aktivist | activist |
| Aktivistin | activist |
| Aktivität | activity |
| aktiviert | activated |
| Aktiva | asset |
| Aktivismus | activism |
| Aktiv | active voice |
| aktiv | active |
| Aktivum | asset active voice active |
| Latinist | Latinist |
| Akkadist | Akkadist |
| Akmeist | Acmeist |
| Altruist | altruist |
| Animist | animist |
| Artist | circus performer |
| Atheist | atheist |
| Autist | autist autistic person |
| Optimist | optimist |
| Stilist | stylist |
| Aktien | equity |