12-letter words
There are 11,358 twelve-letter words in our dictionary. The most common are FATHERLINESS, FATHOMLESSLY, FATIGABILITY, FAULTFINDERS and FAULTFINDING.
Long words like these rarely fit in one go, but they are the answers to many jumbles, spelling challenges and word-ladder puzzles. Most are built from a shorter root plus a common prefix or suffix.
12-letter words
- fatherliness18
- fathomlessly23
- fatigability21
- faultfinders19
- faultfinding20
- faultinesses15
- fearsomeness17
- featherbrain20
- featheredged21
- featheredges20
- featherheads22
- featherlight22
- fecklessness21
- fecundations18
- federalizing26
- federatively22
- feebleminded21
- feeblenesses17
- feistinesses15
- felicitating18
- felicitators17
- felicitously20
- fellmongered19
- fellowshiped24
- femalenesses17
- feminineness17
- femininities17
- femtoseconds20
- ferricyanide21
- ferrimagnets18
- ferrocyanide21
- ferromagnets18
- ferrosilicon17
- fertilizable26
- fervidnesses19
- festivalgoer19
- festooneries15
- fetoproteins17
- feverishness21
- fianchettoed21
- fiberglassed19
- fiberglasses18
- fiberization26
- fibreglasses18
- fibrillating18
- fibrinolyses20
- fibrinolysin20
- fibrinolytic22
- fibroblastic21
- fibronectins19
- fibrosarcoma21
- fibrositides18
- fibrositises17
- ficklenesses21
- fictionalise17
- fictionality20
- fictionalize26
- fictionizing27
- fiendishness19
- fiercenesses17
- filibusterer17
- filmsettings18
- filthinesses18
- fimbriations19
- fingerboards19
- fingerpicked25
- finitenesses15
- fissionables17
- fitfulnesses18
- flabbergasts20
- flabbinesses19
- flabelliform22
- flaccidities20
- flagitiously19
- flamboyances24
- flameproofed23
- flameproofer22
- flannelettes15
- flashinesses18
- flatulencies17
- flavoprotein20
- flawlessness18
- fleetingness16
- fleshinesses18
- flexographic30
- flickeringly25
- flimflammers24
- flimflammery27
- flimflamming25
- flimsinesses17
- flintinesses15
- flocculating20
- flocculators19
- floodlighted21
- floorwalkers22
- floppinesses19
- florescences19
- floridnesses16
- flowcharting24
- fluegelhorns19
- fluffinesses21
- fluidextract25
- fluidization25
- fluoresceins17
- fluoridating17
- fluorimeters17
- fluorimetric19
- fluorinating16
- fluorination15
- fluorochrome22
- fluorography24
- fluorometers17
- fluorometric19
- fluoroscoped20
- fluoroscopes19
- fluphenazine29
- flutterboard18
- focalization26
- folkloristic21
- folksinesses19
- folksingings21
- folliculites17
- fomentations17
- foodlessness16
- foolhardiest19
- footdraggers18
- footfaulting19
- footlamberts19
- footlessness15
- footsloggers17
- footslogging18
- footsoreness15
- foraminifers20
- forbearances19
- forbiddances21
- forbiddingly23
- forcibleness19
- forebodingly22
- forecastable19
- forecheckers26
- forechecking27
- foregathered20
- forehandedly23
- foremanships22
- forequarters24
- forereaching21
- foreshadower22
- foreshortens18
- foresightful22
- forespeaking22
- forestallers15
- forestations15
- forestaysail18
- foreswearing19
- forethoughts22
- foretokening20
- forgathering20
- forgeability21
- formalizable28
- formalnesses17
- formlessness17
- formularized27
- formularizer26
- formularizes26
- fornications17
- fortresslike19
- fourdriniers16
- fractionates17
- fractionator17
- fragmentally21
- fragmentated19
- fragmentates18
- fragmentized28
- fragmentizes27
- frangibility21
- franklinites19
- frankpledges23
- fraternalism17
- fraternizers24
- fraudulences18
- freakinesses19
- freakishness22
- freehandedly23
- freewheelers21
- freewritings19
- frenchifying27
- freneticisms19
- frequentness24
- friabilities17
- fricasseeing18
- frictionally20
- frigidnesses17
- friskinesses19
- fritillarias15
- frizzinesses33
- frontalities15
- frostbitings18
- frostinesses15
- frothinesses18
- frozennesses24
- fruitfullest18
- fruitinesses15
- fucoxanthins27
- fugitiveness19
- fulfillments20
- fulgurations16
- fuliginously19
- fulminations17
- funambulisms21
- funambulists19
- functionless17
- fundraisings17
- fungicidally22
- furazolidone25
- furtherances20
- furunculoses17
- furunculosis17
- fusibilities17
- fustigations16
- futilenesses15
- futilitarian15
- futurologies16
- futurologist16
- gadzookeries27
- galactorrhea18
- galactosemia17
- galactosemic19
- galactosides16
- gallbladders17
- gallerygoers17
- galligaskins18
- gallinaceous15
- gallinippers17
- galvanically21
- galvanoscope20
- gamesomeness17
- gametogenous16
- gametophores20
- gametophytic25
- gamopetalous17
- ganglionated15
- gangliosides15
- gangsterdoms17
- gangsterisms16
- garishnesses16
- garnisheeing17
- gastightness17
- gastrocnemii17
- gastronomies15
- gastronomist15
- gastroscopes17
- gastroscopic19
- gastrotrichs18
- gastrulating14
- gauchenesses18
- geanticlines15
- gegenscheins19
- gelatinizing23
- gelatinously16
- gemmologists18
- gendarmeries16
- generalizers22
- generalships18
- generatrices15
- generosities13
- generousness13
- gentlenesses13
- gentleperson15
- genuflecting19
- genuflection18
- geobotanical17
- geobotanists15
- geohydrology24
- geometrician17
- geometrising16
- geometrizing25
- geopressured16
- geoscientist15
- geosynclinal18
- geosynclines18
- geothermally21
- geriatrician15
- germinations15
- gerontocracy20
- gerontocrats15
- gerontologic16
- gerrymanders19
- gesticulated16
- gesticulates15
- gesticulator15
- ghoulishness19
- gibberellins17
- giftednesses17
- gigantically19
- gillyflowers22
- gingerbreads17
- gingerbready20
- gingerliness14
- gingivectomy24
- gingivitides18
Other word lengths
12-letter words starting with
12-letter words ending in
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