| Fact, verifiable | n | Verable |
| Fade (of daylight) | v | Pink |
| Faded | adj | Dabrified |
| Faggot (of wood) | n | Bavin, Nicket, Thicket, Wipe |
| Faggot-wood | n | Lop |
| Fail | v | Misgive, Misgo |
| Faint | adj | Fainty, Wang |
| Fair, last day of | n | Packing-penny day |
| Faith | int | Fay |
| Faiths | n | Vazen |
| Fake-limp | v | Clink |
| Fall | v | Surge |
| Fall (in wrestling) | n | File |
| Fall heavily | v | Squelch, Squelp |
| Fall, flying | n | Flounce |
| Fall, heavy | n | Flump |
| Fallow land | n | Old-Land |
| Falsehood | n | Lift |
| Familiarity | n | Traffick |
| Fancy-Schmancy | adj | Whirry-Go-Nimble |
| Fangs of dog | n | Holder |
| Far apart | adj | Gappy |
| Farcy | n | Fashion |
| Farm cart | n | Truckamuck |
| Farm labourer | n | Chap, Hind |
| Farmer, slovenly | n | Farmer Arternoon |
| Farmer's head man | n | Fogger |
| Farmhand | n | Shuffler |
| Farmyard | n | Barken, Barton |
| Farriering | v | Faryering |
| Farrow of pigs | n | Farth |
| Fashion | n | Kick |
| Fashionable | adj | Fassy |
| Fast asleeo | n | Firm Asleep |
| Fasten | v | Trig |
| Fasten gate with a rope | v | Cringle |
| Fastidious | adj | Choice |
| Fat | adj | Gutty |
| Fat covering the intestines of edible animals | n | Brack |
| Fat person | n | Squab |
| Fat slag | n | Blowze, Vuddicks |
| Fat-faced | adj | Bluff |
| Fathead | n | Fatty-yead |
| Fatigued | adj | Fattigued |
| Fatted (of animal) | adj | Brave |
| Fatten cattle | v | Graze |
| Fatty tissue around pig's liver | n | Crow |
| Faucet | n | Quill |
| Fault-finding | v | Holing |
| Fear | v | Winny |
| Feast-day at University of Oxford | n | Gaudy |
| Feat, daring | n | Croddy |
| Feather bed | n | Bed-Tie. Tie |
| February | n | Sowlegrove |
| Fee for trading licence | n | Tolsery |
| Feeble | adj | Squeal |
| Feebly | adv | Taperell |
| Feed | n, v | Bait |
| Feed livestock | v | Supper |
| Feeling | n | Feelding |
| Feint | n | Fitten |
| Fellow | n | Fulla |
| Fence made of twigs | n | Wattling |
| Fence, thorny | n | Rift |
| Fencing with single sticks | n | Back-Stick, Backsword, Backswording |
| Fender (of fireplace) | n | Purgatory |
| Fennel | n | Spignel, Spingel |
| Fermented | adj | Furmety |
| Fern | n | Veerdon |
| Ferret | n | Pougy |
| Ferry | n | Passage |
| Fertile | adj | Foody |
| Fertilise | v | Battle, Noculate, Sweeten |
| Fester | v | Fewster, Ronkle, Wrangle |
| Festivities | n | Doings |
| Fetid | adj | Feat |
| Fetlock | n | Fetterlock |
| Fetlock arthrodesis (in horses) | n | Night-Fall |
| Fetter | n | Logger |
| Fever | n | Harm |
| Feverfew | n | Midsummer Daisy |
| Few | adj | Lite, Two-Three |
| Fib | v | Stram |
| Fibres, coarse | n | Kemps |
| Fibrous inner bark of lime tree | n | Bast |
| Fiddle | n | Crowd, Crowdy, Humstrum |
| Fiddle, crude | n | Rumpum-Scrumpum |
| Fiddler (derog.) | n | Scraper |
| Fidget | v | Fig, Frick, Frickle, Friggle, Jiffle, Mop, Wrile |
| Fidgety | adj | Fritchety |
| Fied restharrow | n | Gorse |
| Field | n | Shade |
| Field bindweed | n | Barweed |
| Field containing footpath | n | Path-field |
| Field, sloping | n | Bank |
| Field, unploughed part of | n | Lawn |
| Fielder (cricket) | n | Scout |
| Fieldfare | n | Felt, Vulver |
| Field-mouse | n | Mouel |
| Fierce | adj | Fess |
| Fiery | adj | Flashy |
| Figwort | n | Brunnet, Squarrib |
| Filbert | n | Filbeard |
| Filling | adj | Stougher |
| Film | n | Vellum |
| Filth | n | Tata |
| Filthy | adj | Scandalous |
| Finch | n | Flinch, Spink |
| Find | v | Lighten |
| Fine (of weather) | adj | Breeding |
| Finery | n | Gaudery |
| Finished | pp | Ago |
| Fir cone | n | Cave, Oyster |
| Fire, large | n | Glorum |
| Fire-Shovel | n | Sifter, Vire-Pan |
| Firewood | n | Ollet, Pimp |
| Fireworks | n | Backrackets |
| Firkin | n | Knog |
| First line thrown out of the boat by salmon fishers in the Severn | n | Debut |
| First milk drawn from a cow after calving | n | Cherry-Curds |
| Fish for eels | v | Quod |
| Fish offal | n | Gubbings |
| Fish with line from boat | v | Whiff |
| Fish, bottom-feeding | n | Conners |
| Fish-basket | n | Cowell |
| Fishing net | n | Bosom |
| Fishing net, small | n | Donny |
| Fishmonger | n | Jowter |
| Fishmonger, female | n | Chowter |
| Fissures | n | Chinkers |
| Fist | n | Neive Pud, Vice |
| Fit | adj | Witt |
| Fit for hunting | adj | Runnable |
| Fit for sowing (of land) | n | Season |
| Fits and starts | phr | Fits and Girds |
| Fitting | adj | Feat, Fitten, Fitty |
| Five bundles of straw | n | Stoop |
| Five years old or over (of stag) | adj | Warrantable |
| Fivepence | n | Fippence, Fitpence, Vitpence |
| Five-shilling piece | n | Dollar |
| Flabbergast | v | Flabbergaster |
| Flabby | adj | Dabby, Flobber, Squobby |
| Flaccid | adj | Wangery |
| Flag | n | Colour |
| Flag used by miners to signify an unlucky day | n | Switch |
| Flagon, pewter | n | Thurindale |
| Flail | n | Drashel, Frail, Threshel |
| Flamboyant | adj | Flyabostic, Stary |
| Flank steak | n | Chandler's Cut. Lary, Leer |
| Flap | v | Flerk |
| Flashy | adj | Shanty. Spicy |
| Flask | n | Joker |
| Flat | adj | Plat |
| Flatbread | n | Hone, Twinge, Twining |
| Flat-Faced | adj | Splatter-Faced |
| Flatter | v | Buttery, Caniffle, Chuter, Fage |
| Flavour | n | Tang |
| Flavour, unpleasant | n | Tack, Tatch, Twang |
| Flaw | n | Lipshod |
| Flawed (of scythe-blade) | adj | Pronged |
| Flax | n | Lin, Flix |
| Flax dodder | n | Mulberry |
| Flax picker | n | Flax-jobber |
| Flax, dressed | n | Linet |
| Flay | v | Gore (3) |
| Flayed | adj | Hylt |
| Flea | n | Vleer |
| Fledged | adj | Fligged |
| Fleshy excrescence on a cow's foot | n | Angle-Berry |
| Flexible | adj | Flip, Lendy, Lennow |
| Flibbertigibbet | n | Fiz-Gig, Flig-Me-Jig, Flip-Me-Jig, Flit-Me-Gig |
| Flicker | v | Blicker, Flitter |
| Flight (of stairs) | n | Pair |
| Flimsy | adj | Shally-Gallee, Slighty |
| Flinch | v | Gritchie |
| Fling | v | Flink, Spanghew |
| Flint bed, large | n | Lanch |
| Flint with natural hole | n | Holey-flint |
| Flirt | n | Dolly-Mop, Flirtigig |
| Flirt with woman | v | Gallant |
| Flitch (of bacon) | n | Flick, Flitchen |
| Float | v | Fleet |
| Flock | v | Gaffle |
| Flock (of animals) | n | Drave |
| Flock (of shelducks) | n | Dropping |
| Flock in confused flight | n | Scurry |
| Flock of teal | n | Coil |
| Flog | v | Bellis, Lerrick |
| Flog (at Winchester College) | v | Bible |
| Flood | v | Swab |
| Floodgate | n | Clyse |
| Flooring, wooden | n | Planching |
| Floppy-eared | adj | Lap-Eared |
| Flotsam | n | Floatsome |
| Flouncing | adj | Floush |
| Flour and water | n | Thicky-Duddle |
| Flour, covered in | adj | Dusty |
| Flour-box | n | Dredge, Drudge |
| Flourish | v | Flanyer |
| Flower, artificial | n | Gum-Flower |
| Flowers of umbelifferous plant | n | Bullers |
| Flowing | adj | Flowse |
| Fluff | n | Flue |
| Fluke | n | Milt |
| Fluke (worm) | n | Plaice |
| Flurry | n | Stodge |
| Fluster | v | Flustrate |
| Flutter | v | Flicker, Wapper |
| Fly (of hawk) | v | Coast |
| Fly awkwardly (of insects) | v | Duff |
| Foal, unweaned | n | Sucker |
| Foamy | adj | Nappy |
| Fodder for cattle | n | Keeping, Pulp |
| Folk song | n | Lidden |
| Follow | v | Folly |
| Fondle | v | Doddle |
| Fondue | n | Jigger |
| Font | n | Vant |
| Food | n | Belly-Timber |
| Food or drink, small quantity of | n | Bib |
| Food waste | n | Pelf |
| Food, good | n | Kitchen-physic |
| Fool | n | Alkitotle, Billy with the pinafore on, Caw, Clot-Head, Duke, Dummel, Dummerhead, Flurt, Fussock, Gapshly, Gawkum, Gawney, Gnaw-Post, Hob, Lappen, Looby, Macky-Moon, Mull-Head, Nena, Nogger-Head, Numps, Ralph-Spooner, Sammy, Toot, Yawnups, Zany |
| Foolhardy | adj | Knack-Hardy, Ventureless |
| Foolish | adj | Chubble-Headed , Fond, Foolhardy, Infirm, Norting |
| Foot | n | Toot |
| Foot (of fox) | n | Pad |
| Foot and mouth disease | n | Lewer, Lodyholt |
| Foot, flat | n | Platter-foot |
| Footpath | n | Cause |
| Footprint of hare in snow | n | Trace |
| Foot-rot | n | Lameness |
| Footstep, heavy | n | Clamp |
| Footstool | n | Tut |
| Fop | n | Vandyke |
| Forbid | v | Discharge, Fain |
| Forceful (of opinions) | adj | Smite-me-down |
| Foreign | adj | Outlandish |
| Foreman | n | Captain, Sir-Rag |
| Foremost horse in a team | n | Forrest |
| Forequarter of lamb | v | Scrubbling, Scubbin, Target |
| Forest, open | n | Wold |
| Forethought | v | Forecast |
| Forfeit (in game) | n | Pawn |
| Forget | v | Beget, Disremember |
| Forgive and forget | n | Forgie |
| Fork in road | n | Forches |
| Fork with seven tines, used chiefly for coal | n | Griddler |
| Fork, thatcher's | n | Shekel |
| Form (hare's nest) | n | Firm, Meuse |
| Form drops (of water) | v | Cess |
| Form of oath/interjection | int | Agar |
| Forthright | adj | Foreright |
| Forward | adv | Aforward, Frowart |
| Forward (of girl) | adj | Bobbant, Bochant |
| Fossilised pine trees found at Brook Point, Isle of Wight | n | Pine-Raft |
| Fossilised vertebrae | n | Saucepan Stones |
| Foster | v | Aumper. |
| Foul--Mouthed | adj | Wicked |
| Foul-smelling | adj | Dainty |
| Found in a cabbage patch (used when a child asks where they came from) | n | Leek-bed, dug up in the |
| Foundation (in thatching) | n | Nave |
| Foundation (of building) | n | Butment |
| Four bushels | n | Sack-Whey |
| Four-poster bed with broken leg | n | Mark, Luke and John |
| Fourth stomach of ruminant | n | Read |
| Fox | n | Renyard |
| Fox and Geese (game) | n | Mariners |
| Foxglove | n | Flap-Dock, Flobby-Dock, Flox, Folk's Glove, Fropadock, Peppes, Poppers, Poppy, Snauper, Snoxun |
| Fractious | adj | Frack,Fram, Frampald, Teasy |
| Fracture | n | Brack |
| Fragment | n | Libbet, Licket, Mammock, Shutter |
| Fragment of human flesh washed up after a shipwreck | n | Gobbet |
| Fragments | n | Flitters, Giblets, Smit-Smats |
| Frail | adj | Teary, Temporary |
| Frame for casks | n | Gantry |
| Framework | n | Tram, Tramming, Traverse |
| Frankly | adv | Roundly |
| Frantically | adv | Frantical |
| Fray | v | Sleave, Vaz |
| Frayed | adj | Ploizy |
| Freckle | n | Murfle |
| Freckles | n | Brans, Fern-Tickles |
| Freed | adj | Lipped |
| Freestone, bed of | n | Scallett |
| Freeze | v | Shram |
| Freezing cold | adj | Nett-up |
| Freezing fog | n | Hemel |
| Frenzy | n | Franzy |
| Fresh | adj | Elsh, Live |
| Freshwater Mussel | n | Purse |
| Fretful | adj | Grig |
| Fretting | v | Hopping |
| Friend | n | Make, Spell |
| Friend, close | n | Trigimate |
| Friendly | adj | Nunity |
| Friendly Society | n | Society |
| Friends | n | Soce |
| Friends, close | n | Cater-Cousins |
| Fright | n | Flerry |
| Frighten | v | Dor, Gally, Mawk, Put the horrors on |
| Frightened | adj | Lear, Straked |
| Frill | n | Frill-de-dill |
| Fringe | n | Frange, Jace |
| Fringed Buckbean | n | Fringed-Water-Lily |
| Fritter away time | v | Doodle |
| Frog | n | Quilkin |
| Frolic | v | Caleer, Gannick, Scouse, Skice |
| From | prep | Fro |
| From the mainland, not from the Isle of Wight | adj | Overun |
| Front rack of plough | n | Wang |
| Frost,severe | n | Stinger |
| Frosted | adj | Scratched |
| Frosty (of ground) | adj | Scrimpy |
| Froth | n | Fob, Keam |
| Froth up ale | v | Louse |
| Frown | v | Brittle |
| Frozen stiff | adj | Avrore |
| Fruilcake with not much fruit | n | Shouting-cake |
| Fruit | n | Frus |
| Fruit tree | n | Spalliard |
| Fruit, undersized | n | Scrigs |
| Fruit-Basket | n | Trugg |
| Frump | n | Frig |
| Fry | v | Frizzle |
| Fuchsia | n | Ear-drops |
| Fuck | v | Hame |
| Fucking | n | Rudder, Rumple |
| Fuel | n | Elet, Firing |
| Full force (of wind) | n | Emmut |
| Fumble | v | Bunger, Drumble, Vissuck |
| Fumitory, common | n | Fevertory |
| Funnel | n | Tinner, Tunnel, Tunniger |
| Fur | n | Flax |
| Fur, low grade | n | Flick |
| Furious | adj | Giddy, Zoo mad as a scoff |
| Furrow | n | Feer, Fosse, Furr, Plit, Stetch, Trone |
| Furrow, end of | n | Foth |
| Furrow, keep to a | v | Furrow, gold a |
| Furze | n | Crannock, Furzen |
| Furze, burnt to fertilise the land | n | Swillet |
| Furze, dried for fuel | n | Bruss |
| Fuss (1) | n | Business, Heckett, Pore, Sissa |
| Fuss (2) | v | Fussock, Quiddle |
| Fuss, make a | v | Splut |
| Fussiness | v | Faddle |
| Fussing | v | Coddle-Farting, Fracking |
| Fusspot | n | Fid-Fad |