| Faktotum | factotum |
| Faktum | fact |
| Faktor | factor merchant |
| Faktorei | factory |
| Aktivum | asset active voice active |
| Skrotum | scrotum |
| Fatum | fate |
| Fakten | lowdown |
| Faktura | invoice |
| Fakt | fact |
| Fakultät | faculty factorial |
| faktisch | effective |
| Bakterium | bacterium |
| Baktun | bʼakʼtun |
| Laktose | lactose |
| Akteur | actor |
| Aktor | actuator |
| Daktylus | dactyl |
| Flakturm | flak tower |
| Fraktur | fracture blackletter script |