| First language | First Letter of Peter | First Letter to the Corinthians |
| First Letter to the Thessalonians | First Letter to Timothy | First Love |
| First Love (album) | First Love (awitin) | First Love of a Royal Prince |
| First man and woman | First man or first woman | First man or woman |
| First Messenian War | First modern war | First name |
| First Nations | First Nations sa Canada | First Nations Studies |
| First North Luzon Transit | First Opium War | First order logic |
| First Philippine Republic | First Prince of Valencia | First pyramid |
| First temple in Jerusalem | First Time | First Time (serye sa telebisyon) |
| First tongue | First woman and man | First woman or first man |
| First woman or man | First World | First World War |
| First Yaya | First-born | First-name |
| First-order logic | Firstborn | Firstname |
| Fiscaglia | Fischer | Fischer's lovebird |
| Fischerinsel | Fisciano | Fish |
| Fish ball | Fish eagle | Fish egg |
| Fish eggs | Fish hawk | Fish moth |
| Fish sauce | Fish-eagle | Fish-hawk |
| Fish-moth | Fishball | Fisheagle |
| Fisher | Fisher equation | Fisher's Valley College |
| Fishhawk | Fishing eagle | Fishmoth |
| Fisyolohiya | Fita | Fitch Ratings |
| Fitch's | Fitcher's Bird | Fitness center |
| Fitness centre | Fitness club | Fitness room |
| Fits | Fits (Album ng White Denim) | Fittonia albivenis |
| Fiuggi | Fiumalbo | Fiumara |
| Fiumara (RC) | Fiumedinisi | Fiumefreddo Bruzio |
| Fiumefreddo di Sicilia | Fiumicino | Fiuminata |
| Five | Five Nights at Freddy's | Five Pillars |
| Five Pillars of Islam | Five Star Bus Company | Fivizzano |
| Fixate | Fixated | Fixation |
| Fixed wing air craft | Fixed wing aircraft | Fixed-wing aircraft |
| Fixedwing aircraft | Fixing (pagkakapon) | Fiziks |
| Flaccus | Flaccus Albinus | Flag of south korea |
| Flag of the Philippines | Flag of the Soviet Union | Flag prayer |
| Flag semaphore | Flajani Basedow syndrome | Flajani disease |
| Flajani illness | Flajani sickness | Flajani's disease |
| Flajani's illness | Flajani's sickness | Flajani-Basedow syndrome |
| Flajani-Basedow's syndrome | Flame | Flame gun |
| Flame of Recca | Flame Princess | Flame-gun |
| Flamegun | Flamen | Flamenco |
| Flamenco (paglilinaw) | Flames | Flamingo |
| Flamingoes | Flamingos | Flammarion na limbag sa kahoy |
| Flammarion na limbag-kahoy | Flammarion Woodcut | Flammarion woodcut |
| Flan | Flanders | Flanders poppy |
| Flandes | Flandes (Tolima) | Flapjack |
| Flappy Bird | Flappy bird | Flash |
| Flash (Barry Allen) | Flash (komiks) | Flash Elorde |
| Flash fiction | Flat white | Flat worm |
| Flatfish | Flathead fish | Flathead mullet |
| Flatten the curve | Flattening the curve | Flattenthecurve |
| Flatulence | Flatus | Flatworm |
| Flaviana Charles | Flaviano Yengko | Flavier, Juan M. |
| Flavio Aecio | Flavio Belisario | Flavio Claudio Joviano |
| Flavio Josefo | Flavio Joviano | Flavius Aëtius |
| Flavius Aetius | Flavius Anastasius | Flavius Belisarius |
| Flavius Claudius Iovianus | Flavius Iovianus | Flavius Iustinus |
| Flavius Josephus | Flavius Josephus's Books of the History of the Jewish War against the Romans | Flavius Petrus Sabbatius |
| Flavius Petrus Sabbatius Iustinianus | Flavius Placidius Valentinianus | Flavius Valentinianus |
| Flavius Valerius Severus | Flavius Zeno | FLAVIVS VALENTINIANVS AVGVSTVS |
| Flavon | Flax | Flaxieu |
| Flay | Flay alive | Flayed |
| Flayed alive | Flaying | Flaying alive |
| Flayt 2937 ng Bashkirian Airlines | Flúor | FLCL |
| Flea | Flemish | Flero |
| Flerovium | Flerovyo | Flesh-eating bacteria |
| Flesh-eating bacteria syndrome | Flesh-eating disease | Flight 2937 ng Bashkirian Airlines |
| Flight of the Conchords | Flight of the Conchords (album) | Flight through outer space |
| Flight through outerspace | Flinders rose | Fling |
| Flinger | Flint | Flint stone |
| Flint, Michigan | Flint-stone | Flintstone |
| Flip top | FlipTop | Flirt |
| Flirtation | Flirtatious | Flirting |
| Flirty | Flitto | FLN |
| Flood | Flood (album) | Flood myth |
| Floor dip | Floor-dip | Floorball sa Palaro ng Timog Silangang Asya 2019 |
| Flop | Floppy disk | Floppy disk drive |
| Flor Bien | Flor de Jamaica | Flora |
| Flora (mga halaman) | Flora Annie Steel | Flora, Apayao |
| Florante at Laura | Florante at laura buong kwento | FlordeLiza |
| Flordeluna | Florence | Florence (lalawigan) |
| Florence Aguilar | Florence City | Florence flask |
| Florence Kelley | Florence Kelly | Florence M. Rice |
| Florence Mills | Florence Nightingale | Florence Winfrey |
| Florence, Alabama | Florence, Italy | Florencia |
| Florencia (lalawigan) | Florencia (paglilinaw) | Florencia, Caquetá |
| Florencia, Cauca | Florencia, Italiya | Florencia, Italya |
| Florenciang plaska | Florenciang praska | Florenciang prasko |
| Florencio Abad | Florencio Campomanes | Florentino Ballecer |
| Florentino Collantes | Florentino H. Hornedo | Florentino Hornedo |
| Florentino Torres High School | Flores | Flores de Mayo |
| Floresta, Boyacá | Floresta, Italy | Floresta, Sicilia |
| Florian Schneider | Florianus | Florián |
| Florida | Florida Atlantic University | Florida International University |
| Florida, Valle del Cauca | Floridablanca | Floridablanca, Pampanga |
| Floridablanca, Santander | Floridia | Floridian |
| Florin Hilbay | Florina | Florinas |
| Florinda | Flounder | Flourescent Lamp |
| Flourin | Flourine | Flourishing, Gonzaga, Cagayan |
| Flow network | Flower | Flower crab |
