| Aktuar | actuary |
| Aktuarius | actuary |
| Ästuar | estuary |
| Akteur | actor |
| Aktor | actuator |
| aktuell | current up-to-date latest |
| Sanktuar | sanctuary |
| Aktien | equity |
| Aktiva | asset |
| Baktrer | Bactrian |
| Baktun | bʼakʼtun |
| Faktura | invoice |
| Akt | act action nude file |
| Aktant | agent complement |
| Akte | file |
| Aktie | share stock |
| Aktin | actin |
| Aktion | action operation promotion campaign |
| Aktionär | shareholder stockholder |
| Aktiv | active voice |
| aktiv | active |