| Faktura | invoice |
| Faktor | factor merchant |
| Faktum | fact |
| Flakturm | flak tower |
| Fraktur | fracture blackletter script |
| Datura | datura |
| Matura | A-levels advanced level |
| Sakura | sakura |
| Fakten | lowdown |
| Fakir | fakir |
| Fakt | fact |
| Faktorei | factory |
| Aktiva | asset |
| Aktuar | actuary |
| Baktun | bʼakʼtun |
| Akteur | actor |
| Aktor | actuator |
| Kaktus | cactus |
| aktuell | current up-to-date latest |
| Funkturm | radio tower |