| Daktylus | dactyl |
| Adaktylie | adactyly |
| daktylisch | dactylic |
| taktlos | brash |
| Kaktus | cactus |
| Dactylo | typist |
| Stylus | style |
| Nautilus | nautilus |
| Baktun | bʼakʼtun |
| Akteur | actor |
| Aktivum | asset active voice active |
| Faktotum | factotum |
| Faktum | fact |
| aktuell | current up-to-date latest |
| taktil | tactile tactual |
| Äschylus | Aeschylus |
| Amylum | amylum |
| Arillus | aril |
| Paulus | Paul |
| Saulus | Saul |