| forswear | abjurar |
| Forsyth-Edwards Notation | Notación de Forsyth-Edwards |
| forsythia | forsythia |
| fort | fuerte |
| Fort Apache | Fort Apache |
| Fort Boyard | Fort Boyard |
| Fort Calhoun Nuclear Generating Station | Central nuclear de Fort Calhoun |
| Fort de Salses | Castillo de Salses |
| Fort Eben-Emael | Fuerte Eben-Emael |
| Fort Lauderdale | Fort Lauderdale |
| Fort Lauderdale-Hollywood International Airport | Aeropuerto Internacional de Fort Lauderdale-Hollywood |
| Fort San Cristóbal | Fuerte San Cristóbal |
| Fort San Felipe del Morro | Fuerte San Felipe del Morro |
| Fort San Pedro | Fuerza de San Pedro |
| Fort Sumter | Fort Sumter |
| Fort Worth | Fort Worth |
| Fort Yuma | Fuerte Yuma |
| Fort Zeelandia | Fuerte Zeelandia |
| Fort-de-France | Fort-de-France |
| Fortaleza Esporte Clube | Fortaleza Esporte Clube |
| forte | almidon |
| Fortepiano | Piano |
| fortes | roborar |
| forth | adelante |
| forthcoming | venidero |
| forthcomingness | proximidad |
| forthright | franco |
| forthrightness | lealtad |
| forthwith | en el acto |
| fortieth | cuadragésimo |
| fortification | alcázar |
| Fortified castle | Castillo |
| fortified rampart | bastión |
| fortifier | confortante |
| fortify | afirmar |
| Fortingall Yew | Tejo de Fortingall |
| Fortis Creek National Park | Parque Nacional Arroyo Fortis |
| Fortis Turkey Cup | Copa de Turquía |
| fortitude | ánimo |
| Fortitudo Bologna | Fortitudo Bologna |
| fortnight | quincena |
| fortnightly | quincenal |
| Fortran | Fortran |
| fortress | fortaleza |
| Fortress of Solitude | Fortaleza de la Soledad |
| fortuitous | casual |
| fortuitousness | casualidad |
| Fortuna Düsseldorf | Fortuna Düsseldorf |
| fortunate | afortunado |
| Fortunate Isles | Islas de los Bienaventurados |
| fortunately | afortunadamente |
