| FLAC | FLAC |
| flaco | slank |
| flagelo | pisk |
| Flam accent | Flam |
| flama | flamme |
| Flamen | Flamen |
| flamenco | flamsk |
| Flamer | Flame war |
| flanco | flanke |
| Flandes | Flandern |
| Flandes Occidental | Vestflandern |
| Flanger | Flanger |
| flaquear | svækkes |
| Flash Gordon | Jens Lyn |
| Flash memory | Flash-lager |
| Flat Earth Society | Flat Earth Society |
| flatulencia | fjært |
| flauta | fløjte |
| Flauta de concierto | Tværfløjte |
| flauta de pico | blokfløjte |
| Flauta traversa | Tværfløjte |
| Flavio Josefo | Josefus |
| Flavio Orestes | Flavius Orestes |
| Flavonoide | Flavonoid |
| FLCL | FLCL |
| Flea | Loppe |
| flecha | pil |
| Flecha Valona | La Flèche Wallonne |
| Flecha Verde | Green Arrow |
| flechera | bueskytte |
| flechero | bueskytte |
| fleco | pandehår |
| Flensburg | Flensborg |
| flequillo | pandehår |
| Fletcher Henderson | Fletcher Henderson |
| Fleur Delacour | Fleur Delacour |
| flexible | smidig |
| Flight simulator x | Microsoft Flight Simulator X |
| Flint | Flint |
| flipado | geek |
| Fliscorno | Læbeløs |
| floculación | flokkulering |
| floculadores | flokkuleringsmiddel |
| flojo | doven |
| Floorball | Floorball |
| Floppy | Diskette |
| FLOPS | Flops |
| Flopy | Diskette |
| flor | blomst |
| flor de lis | lilje |
| flor de nieve | vintergæk |
| flora | flora |
| florecer | blomstre |
| Florence | Florence |
| Florence Nightingale | Florence Nightingale |
| Florencia | Firenze |
| florero | vase |
| floresta | skov |
| Florida | Florida |
| Florida Española | Florida |
| Florida Panthers | Florida Panthers |
| florido | blomstrende |
| flota | flåde |
| flotación | flotation |
| Flower of Scotland | Flower of Scotland |
| Flower power | Flowerpower |
| Flowers and Trees | Blomster og træer |
| Floyd Landis | Floyd Landis |
| Floyd Patterson | Floyd Patterson |
| fluctuación | fluktuation |
| fluida | flydende |
| fluidamente | flydende |
| fluidificación | fluidisering |
| fluido | væske |
| Fluido eléctrico | Elektrisk strøm |
| fluir | løbe |
| flujo | flod |
| flujo bajo | strømning med lavt tryk |
| flujo de agente contaminante | strøm af forurenende stoffer |
| fluoración | fluoridering |
| Fluorhídrico | Flussyre |
| Fluoruro de potasio | Kaliumfluorid |
| fluídica | fluidik |
| Fly-by-wire | Fly-by-wire |
| flúor | fluor |
| FN FAL | FN FAL |
| FN MAG | FN MAG |
| fobia | fobi |
| Fobia social | Socialfobi |
| Fobos | Phobos |
| foca | sæl |
| Foca anillada | Ringsæl |
| Focke-Wulf | Focke-Wulf |
| foco | stavlygte |
| foco de atención | fokus |
