| Flanders | Flandes |
| Flanders family | Ned Flanders |
| Flanders no Inu | El perro de Flandes |
| flaneur | callejero |
| flange | pestaña |
| flank | flanco |
| flannel | franela |
| flannelette | muletón |
| flap | agitar |
| flapping | aleteo |
| Flaran Abbey | Abadía de Flaran |
| flare | llamear |
| flare out | encenderse |
| flare up | encenderse |
| flare-up | arrebato de cólera |
| flared | acampanado |
| flaring | señalar por medio de luces |
| flash | centellear |
| flash back | volver atrás |
| flash flood | crecida |
| Flash Gordon | Flash Gordon |
| Flash Linux | Lista de Distribución Linux |
| Flash memory | Memoria flash |
| flash of lightning | relámpago |
| flash point | punto de inflamación |
| Flash RAM | Memoria flash |
| Flash Video | FLV |
| flashback | escena retrospectiva |
| flashbulb | lámpara flash |
| flashcard | flashcard |
| Flashdance | Flashdance |
| flasher | luz intermitente |
| Flashes Before Your Eyes | Tu vida ante tus ojos |
| flashiness | ostentación |
| flashing | brillante |
| flashlight | flash |
| flashy | llamativo |
| flask | petaca |
| flasks | piston |
| flat | apartamento |
| Flat Earth | Tierra plana |
| Flat Earth Society | Flat Earth Society |
| Flat fields | Campo plano |
| Flat guitar | Guitarra |
| flat panel touch screen | pantalla táctil |
| flat tire | pinchazo |
| flat tyre | pinchazo |
| flat-bottomed | de fondo plano |
| Flat-field correction | Campo plano |
| flat-headed cat | gato de cabeza plana |
| flatcar | batea |
| Flateyjarbók | Flateyjarbók |
| flatfish | pez pleuronecto |
| flatfoot | pie plano y torcido |
| Flathead Indian Reservation | Reserva India de los Flathead |
| Flathead mullet | Mugil cephalus |
| flatiron | plancha |
| Flatiron Building | Edificio Flatiron |
| Flatliners | Linea mortal |
| flatly | terminantemente |
| flatness | llanura |
| flatscreen | pantalla plana |
| flatten | echarse a perder |
| flattened | aplastado |
| flatter | adular |
| flattered | halagado |
| flatterer | lisonjero |
| flattering | lisonjero |
| flatteringly | lisonjeramente |
| flattery | alabanza |
| Flattops | Portaviones |
| flatulence | flatulencia |
| flatulency | flatulencia |
| flatulent | flatulente |
| flatware | cubiertos |
| Flatwoods monster | Monstruo de Flatwoods |
| Flatworm | Platyhelminthes |
| flaunt | presumir |
| flautist | flautista |
