| FLAC | Free Lossless Audio Codec |
| Flaccilla | Aelia Flaccilla |
| flack | level |
| flacka | ramble around |
| flacka omkring | knock around |
| flacktång | pliers |
| fladdermus | bat |
| Fladdermöss | Bat |
| fladdra | waver |
| fladdrande | flapping |
| fladdrande låga | flare |
| fladdrar | flits |
| fladdrig | flighty |
| Fladså kommun | Fladså |
| flaga | flake |
| flagell | flagellum |
| flagellant | flagellant |
| flagellation | flagellation |
| flageolett | flageolet |
| flagga | flag |
| Flagga -n | Flag |
| Flaggbränning | Flag desecration |
| Flaggdagar i Finland | Flag days in Finland |
| flaggknop | double sheet bend |
| Flaggning | Flag protocol |
| flaggor | bunting |
| flaggskepp | flagship |
| flaggstång | flagpole |
| flaggväv | bunting |
| flagig | scaly |
| flagna | flake |
| flagrant | blatant |
| Flags of Our Fathers | Flags of Our Fathers |
| Flair bartending | Flair bartending |
| Flakstad kommun | Flakstad |
| flambera | flambé |
| flamberad | flaming |
| flamenco | flamenco |
| Flamengo | Flamengo |
| Flaming Sideburns | The Flaming Sideburns |
| flamingo | flamingo |
| Flamingoer | Flamingo |
| Flamingor | Flamingo |
| flamländare | Fleming |
| flamländsk | Flemish |
| flamländska | Flemish |
| Flamländska beginkloster | Béguinage |
| flamma | burn |
| flamma upp | flare up |
| flammande | flashy |
| flampunkt | flash point |
| flamskyddsmedel | fireproofing agent |
| flamsäker | flameproof |
| Flandern | Flanders |
| Flandern runt | Ronde van Vlaanderen |
| flanell | flannel |
| flanellbyxor | flannels |
| flanellkostym | flannels |
| flanera | ramble |
| flank | flank |
| flankera | flank |
| flankerande eld | enfilade |
| flanör | loafer |
| Flapp | Flap consonant |
| Flash and the Pan | Flash and the Pan |
| flash mob | flash mob |
| Flash-minne | USB flash drive |
| Flashdance | Flashdance |
| Flashminne | Flash memory |
| flaska | bottle |
| Flaska -n | Bottle |
| flaskhals | bottleneck |
| flaskkapsyl | bottle cap |
| Flaskskepp | Impossible bottle |
| Flaskstorlek | Wine bottle |
| flasköppnare | bottle opener |
| flat | flat |
| Flat dammussla | Depressed river mussel |
| Flat Earth Society | Flat Earth Society |
| flata | dyke |
| Flatanger kommun | Flatanger |
| flatbottnad | flat-bottomed |
| flathet | flatness |
| Flatiron Building | Flatiron Building |
| flatlus | crab |
| flatulens | flatulence |
| Flatöboken | Flateyjarbók |
| Flavia Julia Helena | Helen |
| Flavia Maximiana Theodora | Flavia Maximiana Theodora |
| Flavia Pennetta | Flavia Pennetta |
| Flavio Briatore | Flavio Briatore |
| Flavius Arbogastes | Arbogast |
| Flavius Blondus | Flavio Biondo |
| Flavius Orestes | Flavius Orestes |
| Flavor of Love | Flavor of Love |
| Flavr Savr | Flavr Savr |
| flax | chance |
| flaxa | flop |
| flaxa med | flutter |
| flaxande | floppy |
| FLCL | FLCL |
| flebit | phlebitis |
| FLEC | Front for the Liberation of the Enclave of Cabinda |
| Fleet | River Fleet |
| Fleet in being | Fleet in being |
| flegma | phlegm |
| flegmatisk | cool |
| Fleischmann GmbH | Fleischmann |
| Flekkefjord kommun | Flekkefjord |
| Fleksnes fataliteter | Fleksnes Fataliteter |
| Fleming | Fleming |
| Flemming Rasmussen | Flemming Rasmussen |
| Flens | Flen Municipality |
| Flens kommun | Flen Municipality |
| Flensburg | Flensburg |
| flensost | smegma |
| flera | different |
| flera deltagare | multiplayer |
| fleranvändarsystem | multi-access |
| Flerbarnsbörd | Multiple birth |
| Flercelliga djur | Metazoa |
| flerdelad | multi-partite |
| Flerden | Flerden |
| flerfaldiga | sundry |
