| fisgonear | pry |
| fisgón | nosy |
| Fish | Fish |
| FishBase | FishBase |
| fisica | physics |
| Fisicalismo de tipo | Type physicalism |
| fisico | corporeal |
| fisicoculturismo | bodybuilding |
| fisicoculturista | bodybuilder |
| fisicoquímica | physical chemistry |
| fisicoquímico | physicochemical |
| Fisiocracia | Physiocrats |
| fisiología | physiology |
| fisiología animal | animal physiology |
| fisiología humana | human physiology |
| fisiología vegetal | plant physiology |
| fisiológico | physiological |
| Fisiopatología | Pathophysiology |
| fisioterapeuta | physiotherapist |
| fisioterapia | physiotherapy |
| fisiólogo | physiologist |
| fisión | fission |
| fisión nuclear | nuclear fission |
| fisonomía | face |
| Fist of Fury | Fist of Fury |
| fisting | fisting |
| fisura | crack |
| fisura palatina | cleft palate |
| fisípedo | fissiped |
| Fitolito | Phytolith |
| fitomasa | phytomass |
| fitomejoramiento | plant selection |
| fitoplancton | phytoplankton |
| Fitoquímico | Phytochemistry |
| fitosociología | phytosociology |
| Fitoterapia china | Chinese herbology |
| fitotoxicidad | phytotoxicity |
| Fittipaldi | Fittipaldi Automotive |
| Fittja | Fittja |
| Fitzroya cupressoides | Fitzroya |
| Fitzwilliam Darcy | Fitzwilliam Darcy |
| Five Live | Five Live |
| fixo | Scotch tape |
| Fiyi | Republic of the Fiji Islands |
| fiyiano | Fijian |
| Fizeşu Gherlii | Fizeşu Gherlii |
| Fiódor Dostoievski | Fyodor Dostoevsky |
| Fiódor Dostoyevski | Fyodor Dostoevsky |
| Fiódor Sologub | Fyodor Sologub |
| Fiódor Tiutchev | Fyodor Tyutchev |
| Fjalar y Galar | Fjalar and Galar |
| FK Austria Viena | FK Austria Wien |
| FK Ekranas | FK Ekranas |
| FK Inter Bratislava | FK Inter Bratislava |
| FK Khazar Lenkoran | FK Khazar Lenkoran |
| FK Makedonija Gorce Petrov | FK Makedonija Ğorče Petrov |
| FK Partizan Beograd | FK Partizan |
| FK Partizani | KF Partizani Tirana |
| FK Pobeda | FK Pobeda |
| FK Rabotnički | FK Rabotnički |
| FK Sarajevo | FK Sarajevo |
| FL Studio | FL Studio |
| Flabiol | Flabiol |
| FLAC | Free Lossless Audio Codec |
| flaccidez | flabbiness |
| Flacio Illirico | Matthias Flacius |
| flaco | slim |
| FLACSO | Latin American Social Sciences Institute |
| Flacurtiaceae | Flacourtiaceae |
| flagelación | flagellation |
