| Português | Español | Français | English |
| Fabricar | Fabricar, hacer, Producir, confeccionar | Fabriquer | To produce, To manufacture, To construct, To fabricate |
| Facilitar | Facilitar, Facultar, Proveer, Proporcionar | Faciliter | To facilitate, To make easy, To favour, To smooth |
| Faiscar | Chispear, Destellar, Deslumbrar | Scintiller; Étinceler; Briller | To spark, To sparkle, To flash, To scintillate, To twinkle |
| Falar | Hablar, conversar, Decir, Narrar, Proferir, Razonar, Parlamentar | Parler; Dire | To speak, To say, To tell |
| Falecer | Fallecer, Morir, Fenecer | Mourir | To decease, To die, To pass away |
| Falhar | Fallar, Faltar, Fracasar, Malograrse, Frustrarse | Faillir; Commettre une faute; Ne pas réussir | To fail, To die away, To err, To be mistaken |
| Falir | Fallir, Quebrar | Faire failite | To go bankrupt, To break, To become insolvent, To unsuccessful |
| Falsificar | Falsificar, Falsear, Desnaturalizar, Adulterar | Falsifier; Truquer | To falsify, To counterfeit |
| Faltar | Faltar, Errar, Escasear, Pecar, Quedar | Manquer | To miss, To be absent |
| Familiarizar | Familiarizar, Habituar, Acostumbrar | To familiarize, to become familiar, To habituate | To familiarize |
| Fantasiar | Fantasear, Imaginar, Inventar, Soñar | Fantasmer; Se Déguiser | To fantasy, To fancy, To daydream |
| Farejar | Husmear, Oler, Olfatear, Descubrir | Flairer;Soupçonner | To scent, To smell out, To trace |
| Fartar | Empachar, Saciar, Hartar, Llenarse, Satisfacerse, Empajarse | Rassasier; Gaver | To satiate, To satisfy one~s hunger or thirsty, To annoy, To be sufficient |
| Fascinar | Fascinar, Aojar, Alucinar, Atraer, Ofuscar | Charmer; Fasciner; Enchanter; Séduire | To fascinate, To captivate |
| Fatigar | Fatigar, Agotar, Cansar | (Se) fatiquer | To fatigue, To wear out, To exhaust |
| Faturar | Facturar | Facturer | To invoice, To bill |
| Favorecer | Favorecer, Contemplar, Facilitar, Obequiar, Beneficiar | Favoriser | To favour, To help, To aid, To support, To patronize, To colaborate, To praise |
| Fazer | Hacer, Producir, Crear, Fabricar | Faire; Confectionner | To do, To make, To build |
| Fechar | Cerrar, Obturar, Ocluir, Taponar | Fermer; Clore | To close, To shut (up), To lock, To finish, To conclude |
| Fecundar | Fecundar, Fertilizar, Cubrir, Inseminar, Preñar | Féconder | To fecundate, To fertilize |
| Feder | Heder | Sentir mauvais; Pester; Puer; Empester | To stink, To reek, To smell basdly |
| Felicitar | Felicitar, Congratular | Féliciter; Complimenter | To felicitate, To congratulate |
| Ferir | Herir, Alisiar, Magullar | (Se) blesser; Offencer | To wound, To injure, To bruise, To hurt, To punish |
| Fermentar | Fermentar | Fermenter; Lever | To ferment, To leaven, To yeast |
| Fertilizar | Fertilizar, Fecundar, Fecundizar | Fertiliser | To fertilize, To fecundate, To impregnate, To manure, To fatten |
| Ferver | Cocer, Hervir | Bouillir | To boil, To seethe, To rouse up |
| Festejar | Festejar, Regocijar, Conmemorar | Fêter; Commémorer; Célebrer; | To feast, to celebrate, To commemorate |
| Fiar | Fiar, Hilar, Hurdir, Afianzar, Asegurar | Filer; Mettre en fil | To spin, To twist into threads |
| Ficar | Quedar, Estar, Detenerse, Permanecer | Rester (Être hors de soi = ficar fora de si; Tomber malade = ficar doente; Tomber amoureux = ficar apaixonado) | To remain, To stay, To rest |
| Figurar | Figurar | Figurer | To figure, To portray, To represent, To symbolize, To act on the stage |
| Filmar | Filmar | Filmer; Tourner un film | To film, To screen |
| Filosofar | Filosofar, Meditar | Philosopher | To philosophize |
| Filtrar | Filtrar, Destilar, Purificar | Filtrer | To filter, To filtrate, To strain |
| Finalizar | Finalizar, Terminar, Acabar, Concluir, Terminar | Finaliser; Achever; Terminer | To finish, To terminate, To conclude |
| Financiar | Financiar | Financier | To finance, To support |
| Fincar | Hincar, Clavar | Enfoncer; Appuyer | To thrust in, To nail in, To drive in, To ram down, To stand still |
| Fingir | Fingir, Simular | Feindre; Simuler | To (dis)simulate, To feign, To pretend, To imitate |
| Firmar | Firmar, Fijar, Apoyarse | Firmer; Signer | To firm, To fix, To set, To settle, To sign, To ratify |
| Fiscalizar | Fiscalizar, Controlar | Contrôler | To fiscalize, To observe, To examine, To supervise |
| Fisgar | Fisgar, Prender, Agarrar | Harponner | To hook, To gaff, To catch |
| Fixar | Fijar, Instalar, Grapar | (Se) fixer | To fix, to fasten, To attach, To stick on, To establish |
| Flamejar | Flamear; Lamear | Flamboyer | To flame, To blaze, To burn, To glow, To shine, To glitter, To sparkle, To flash |
| Flertar | Flirtear | Fliter | To flirt, To play at courtship |
| Flexionar | Flexionar | Fléchir | To inflect, To bend |
| Florescer | Florecer, Desabrochar | Fleurir; Éclore; | To bloom, To blossom, To bud, To flower, To florish, To thrive |
| Fluir | Fluir, Manar | Couler; S´épancher | To flow |
| Flutuar | Flotar, Sobrenadar, Oscilar, Titubear | Fluctuer; Osciller | To fluctuate, To float |
| Focalizar | Enfocar, Destacar | Focaliser; Cadrer | To focalize, To focus |
| Foder | Joder, Follar, Putear | Foutre | To fuck |
| Fofocar | Chismear, Cotillear, Parlar, Picotear | Dire ou colporter des can-can sur quelqu´un | To gossip |
| Folhear | Hojear | Feuilleter | To leaf, To turn over the pages |
| Forçar | Forzar, Constreñir, Obligar | Forcer | To force, To oblige |
| Forjar | Forjar, Inventar, Imaginar | Forger | To forge, To hammer, To shape with a hammer |
| Formalizar | Formalizar | Formaliser | To formalize, To take amiss |
| Formar | Formar | (Se) former; Constituer | To form, To shape, To gratuate |
| Formigar | Hormiguear, Pulular | Avoir des fourmis | To formicate, To itch |
| Formular | Formular, Recetar | Formuler; Énnoncer; Poser | To formulate, To prescribe |
| Fornecer | Abastecer, Aprovisionar, Proveer, Surtir | Fournir | To furnish, To supply |
| Forrar | Forrar | Doubler; Garnir d´une doublure (un habit); Tapisser de papier peint | To face, To line, To cover with, To fur |
| Fortalecer | Fortalecer, Consolidar, Tonificar | Fortifier; Révigorer | To fortify, To strengthen, To encourage |
| Fortificar | Fortificar, Confortar | Fortifier; Tonifier; Barricader | To fortify, To strengthen, To encourage |
| Fotografar | Fotografiar, Retratar | Photographer; Prendre des photos | To photograph |
| Fracassar | Fracasar, Fallir, Malograr | Échouer | To shatter, To fail, To miscarry |
| Fragmentar | Fragmentar, Fraccionar, Segmentar | Fragmenter | To fragment, To break up |
| Franquear | Franquear, Eximir, Librar | Affranchir; Exempter d´impôt | To exempt, To free (from taxes or duties), To concede, To grant |
| Franzir | Crispar, Fruncir, Plisar | Froncer (les sourcils, les lèvres; la peau); Faire des plis (à une jupe) | To wrinkle, To fold, To pleat, To ruffle, To frown |
| Fraquejar | Flaquear, Flojear | Faiblir | To weaken, To lose courage, To yield |
| Fraturar | Fracturar, Romper | Fracturer | To fracture, To break |
| Fraudar | Engañar, Falsificar | Frauder; Escroquer; Arnaquer | To fraud, To dash |
| Frear | Frenar | Freiner | To brake, To refrain, To restrain |
| Freqüentar | Frecuentar, Cursar | Fréquenter | To frequent |
| Fretar | Fretar, Alquilar | Fréter; Affreter | To charter, To freight, To rent |
| Friccionar | Estregar, Fregar | Frictionner | To rub, To scrub |
| Frigir | Freir, Sofreir, Fritar | Frire | To fry, To cook in hot fat |
| Fritar | Fritar, Freir, Sofreir | Frire | To fry, To roast |
| Frustar | Frustar, Aguar, Fracasar, Malograr | Frustrer | To frustrate, To disappoint |
| Fugir | Escapar, Fugarse, Huir, Esquivar, Evadirse | Fuir | To flee, To run away, To escape, to evade, To elude, To disappear, To vanish, To abandon |
| Fulminar | Fulminar, Aniquilar | Foudroyer; Fulminer | To fulminate, To flash, To lighten, To hit, To strike, To injure, To wound, To destroy, To kill instantaneously, to annihilate |
| Fumar | Fumar, Humear | Fumer | To smoke, To fume, To fumigate |
| Fumegar | Fumar, Fumigar, Ahumar, Humear, Sahumar | Fumer; S´enflammer | To (emit) smoke, To foam, To exhale vapours |
| Funcionar | Funcionar, Marchar | Fonctionner | To function, to work |
| Fundar | Fundar, Iniciar, Instituir, Instaurar, Erigir | Fonder; Créer | To found, To build, To deepen, To rely on |
| Fundir | Fundir, Fusionar, Hundir | Fondre | To found, To cast, to melt, To merge, To unite |
| Furar | Agujerear, Horadar, Perforar, Pinchar, Taladrar | Percer; Perforer | To bore, To pierce, To drill, To perforate, To penetrate, To puncture (a tire) |
| Furtar | Robar, Quitar, Defraldar, Apañar | Voler | To steal, To thieve, To pilfer, To rob, To shun, To sneak away |
| Fustigar | Fustigar, Hostigar, Azotar | Fustiger | To fusticate, To punish |
| Fuzilar | Fuzilar, Ametrallar, Balear | Fusiller | To shoot, To fusillade, To sparkle, To scintillate, To menace |