13-Letter Words Starting with F
There are 56 thirteen-letter words that start with F on Word.ws, from facetiousness to fusobacterium. The most common are fundamentally, functionality, fragmentation, fertilization and fantastically.
Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.
All 56 thirteen-letter words that start with F
FA
- facetiousness18n. The state of being facetious.
- factorization27n. The process of creating a list of factors.
- facultatively24adv. In a facultative manner.
- faithlessness19n. The quality of being faithless.
- falsification21n. The act of falsifying, or making false; a counterfeiting; the giving to...
- fantastically21adv. In a fantastic manner.
- fasciculation20n. An involuntary muscle twitch, usually localised and temporary, but that...
- fascinatingly22adv. In a fascinating manner.
FE
- fearmongering20n. The act of spreading needless fear; exaggerating purported threats in...
- featherweight26n. A weight class in many combat sports; e.g. in professional boxing of a...
- felicitations18interj. Congratulations! Well done!
- ferociousness18n. The quality of being ferocious.
- ferrimagnetic21adj. Exhibiting ferrimagnetism.
- ferroconcrete20n. A building material made from Portland cement concrete with a matrix of...
- ferroelectric20adj. Of, or relating to the permanent electrical polarization of a...
- ferromagnetic21adj. Exhibiting ferromagnetism.
- fertilization25n. The act or process of rendering fertile.
- fetishization28n. The act or process of fetishizing.
FI
- fibromuscular22adj. Of or pertaining to both fibrous and muscular tissue.
- fibrovascular23adj. Having both fibrous and vascular tissue.
- filamentation18n. The growth of filaments.
- filibustering19n. The act of one who filibusters.
- fingerpicking26n. The plucking of the individual strings of a stringed instrument with...
FL
- flabbergasted22adj. Appalled, annoyed, exhausted or disgusted.
- flirtatiously19adv. In a flirtatious manner.
- floristically21adv. In a floristic manner; according to flora.
- fluffernutter22n. A sandwich made with peanut butter and marshmallow fluff, most common...
- flunitrazepam29n. A short-acting benzodiazepine derivative with relatively long-lasting...
- fluorescently21adv. In a fluorescent manner; using fluorescence.
- fluoroacetate18n. Any salt of fluoroacetic acid.
- fluoropolymer23n. Any of many chemically and thermally stable polymers that are fluorine...
FO
- folkloristics22n. The formal academic study of folklore.
- foolhardiness20n. The quality of being foolhardy.
- foraminiferal21adj. Of, pertaining to, or resembling the foraminifers; foraminiferous.
- foreknowledge25n. Knowing beforehand via natural or ordinary means.
- foreshadowing24n. Synonym of foreshadow (“a suggestion of something in advance”)...
- forgetfulness20n. The quality of being forgetful; proneness to let slip from the mind.
- formalization27n. The act of formalizing something.
- fortification21n. The act of fortifying; the art or science of fortifying places to...
- fossiliferous19adj. Containing fossils.
- fossilisation16n. UK standard spelling of fossilization.
- fossilization25n. The process of converting, or of being converted, into a fossil.
FR
- fractionation18n. A separation process in which a certain quantity of a mixture is...
- fragmentarily22adv. In a fragmentary manner.
- fragmentation19n. The act of fragmenting or something fragmented; disintegration.
- frameshifting25n. Frameshift mutation.
- frequentative28adj. Serving to express repetition of an action.
- frighteningly24adv. In a frightening or terrifying manner.
- frivolousness19n. The quality of being frivolous.
- fruitlessness16n. The quality of being fruitless.
- frustratingly20adv. In a frustrating manner; in a manner that causes frustration.
FU
- functionalism20n. A doctrine, in several fields, that the function of something should be...
- functionalist18n. One who believes in functionalism.
- functionality21n. The ability to do a task, performance, or execution; a set of functions...
- fundamentally22adv. In a fundamental or basic sense; reaching the very core of the matter.
- fusobacterium22n. Any bacterium of the genus Fusobacterium.
516 rare thirteen-letter words that start with F
- fabellotibial
- fabricability
- faciobrachial
- faciocervical
- faciomuscular
- facioscapular
- factionalizer
- factitiveness
- factorability
- factoryworker
- facultativity
- falconologist
- fallibilistic
- fallotaspidid
- falsidicality
- falsificatory
- familiocratic
- fanaticalness
- fancification
- fangchinoline
- fantabulously
- fantasization
- fantasmascope
- fantasticness
- fantrepreneur
- faradotherapy
- farinaceously
- farinographic
- farmaceutical
- farnesylation
- farnesylethyl
- farringtonite
- farseeingness
- fartsovshchik
- fasciculately
- fasciculating
- fasciculatory
- fasciological
- fascistically
- fashionedness
- fatheadedness
- fatherlandish
- fathomability
- fatigableness
- fatiguingness
- fatteningness
- fatuitousness
- faucalization
- faultlessness
- faunistically
- faveolization
- featheredness
- featherflower
- feathermonger
- featherstitch
- featherworker
- featurelessly
- featureliness
- featurization
- febriculosity
- fecundability
- federalizable
- federationism
- federationist
- feedforwardly
- feelinglessly
- feitknechtite
- feldsparphyre
- felicifically
- felinological
- fellowshipper
- feloniousness
- felsification
- femboyishness
- feminacentric
- feminocentric
- feminological
- feminonucleus
- femorofemoral
- femorofibular
- femtochemical
- femtoplankton
- fenbenicillin
- fenbuconazole
- fencelessness
- fenchlorazole
- fenpiverinium
- fenpropathrin
- fenpropimorph
- fenprostalene
- fenpyroximate
- fenticonazole
- fermentitious
- fermionically
- ferricadouzer
- ferricatalase
- ferricyanogen
- ferrielectric
- ferrifayalite
- ferrihydritic
- ferritization
- ferrochromium
- ferrocyanogen
- ferrofluidity
- ferrogabbroic
- ferrokinetics
- ferromagnesic
- ferronemalite
- ferronigerite
- ferroparticle
- ferropicotite
- ferropnictide
- ferrorhodsite
- ferrosoferric
- ferrotitanium
- ferrotoroidic
- ferrotungsten
- ferrovanadium
- ferrovitreous
- ferroxidation
- ferrugination
- ferruginously
- ferrumination
- fershnickered
- fertiloscopic
- fertotoxicity
- ferucarbotran
- feruloylation
- fetoembryonic
- fetolethality
- fetopathology
- fetoplacental
- feudalization
- feuilletonism
- feuilletonist
- feverlessness
- fiberlessness
- fiboquadratic
- fibrelessness
- fibrilization
- fibrillogenic
- fibrillopathy
- fibrinogenase
- fibrinogenous
- fibroadenosis
- fibroatheroma
- fibroatrophic
- fibroblastoid
- fibroblastoma
- fibrocalcific
- fibrocavitary
- fibrocellular
- fibroelastoma
- fibrogenicity
- fibroglycemia
- fibrogranular
- fibroidectomy
- fibrokeratoma
- fibrolamellar
- fibromyectomy
- fibromyoblast
- fibromyopathy
- fibronecrosis
- fibronecrotic
- fibroskeleton
- fibrostenosis
- fibrostenotic
- fibrotization
- fibroxanthoma
- fictionalizer
- fictioneering
- fictionmaking
- fictocritical
- fideistically
- fidepromissor
- filamentously
- filaminopathy
- filibusterism
- filibusterous
- filioparental
- filipendulous
- filterability
- financialized
- fingerboarder
- fingerbreadth
- fingernailful
- fingerpainter
- fingerprinter
- fingerspeller
- fingersucking
- fingertapping
- finickingness
- fireproofness
- firmographics
- firnification
- fiscalization
- fischerindole
- fischesserite
- fishculturist
- fishermanlike
- fishermanship
- fishmongeress
- fishmongering
- fissiparously
- fissitunicate
- fissurization
- fistuliporoid
- fistulization
- fistulography
- flabbergaster
- flabelliferan
- flagellantism
- flagellomania
- flairlessness
- flamelessness
- flamethrowing
- flamingoesque
- flammagenitus
- flapdoodleism
- flashboarding
- flashlessness
- flatification
- flauntingness
- flavinylation
- flavivirology
- flavonolignan
- flavopurpurin
- flecklessness
- fledglinghood
- flerofloxacin
- fleshlessness
- flexoelectric
- flexoextensor
- flexomagnetic
- flexometallic
- flextensional
- flintknapping
- flipperdinger
- floatovoltaic
- floccillation
- flocculectomy
- floodlessness
- floorboarding
- floorcovering
- floorlessness
- floorplanning
- floricultural
- florideophyte
- floriferously
- florification
- floriographer
- floriographic
- flosequinoxan
- flounderingly
- flourishingly
- flowerpicking
- flowerpiercer
- flubendiamide
- flubentylosin
- fluctuability
- fluctuatingly
- fluctuational
- fluctuatively
- flugelhornist
- fluidotherapy
- flumethiazide
- flunoxaprofen
- fluocortolone
- fluocytometry
- fluogermanate
- fluophosphate
- fluorescamine
- fluoroalcohol
- fluorobenzene
- fluorobenzoyl
- fluorochromed
- fluorochromic
- fluorocitrate
- fluoroemerald
- fluoroglucose
- fluorographic
- fluorohydride
- fluorolabeled
- fluorolintane
- fluoromethane
- fluoropeptide
- fluoroplastic
- fluoroproline
- fluoroprotein
- fluoropyrrole
- fluoroquinone
- fluoroscopist
- fluorosilicic
- fluorostyrene
- fluorosucrose
- fluorosulfate
- fluorosulfite
- fluorotelomer
- fluorotherapy
- fluorouridine
The first 300 are shown.
Questions about these words
- How many thirteen-letter words that start with F are there?
- Word.ws lists 56 thirteen-letter words that start with F, plus 516 rare ones.
- What are common thirteen-letter words that start with F?
- fundamentally, functionality, fragmentation, fertilization, fantastically, fortification, foreshadowing and flabbergasted.
- Which of the thirteen-letter words that start with F has the highest letter score?
- flunitrazepam scores 29 points with the standard letter tile values.
Related word lists
Source and license
Word lists and meanings adapted from the Wiktionary entry of each word. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out names, abbreviations, misspellings and offensive words, and ordered the most common words by how often they appear in English (wordfreq). Meanings from Wiktionary; this is not an official Scrabble, Words With Friends or Wordle word list. Wiktionary data of 2026-09-02.
Cite this page: “13-Letter Words Starting with F: 56 Words.” Word.ws, https://word.ws/words/13-letter/starting-with-f. Based on Wiktionary, CC BY-SA 4.0.