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Words starting with FI (10-letter)

A curated list of 10-letter words tailored to this exact pattern. When a clue points to FI starts, alternate vowel patterns and common blends after the prefix. For example: fianchetti, fianchetto, fiberboard.

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99 words

Word	Length	Syllables
fianchetti	10	3
fianchetto	10	3
fiberboard	10	3
fiberfills	10	3
fiberglass	10	3
fiberizing	10	4
fiberscope	10	3
fibreboard	10	3
fibrefills	10	3
fibreglass	10	3
fibrillate	10	3
fibrinogen	10	4
fibrinoids	10	3
fibroblast	10	3
fibrosites	10	4
fibrositis	10	4
fickleness	10	3
fictioneer	10	3
fictionist	10	3
fictionize	10	3
fictitious	10	3
fiddleback	10	3
fiddlehead	10	3
fidelities	10	4
fiducially	10	4
fieldfares	10	3
fieldpiece	10	2
fieldstone	10	2
fieldstrip	10	2
fieldworks	10	2
fiendishly	10	3
fierceness	10	3
fifteenths	10	2
figuration	10	4
figurative	10	4
figurehead	10	4
filariases	10	4
filariasis	10	4
filefishes	10	4
filiations	10	3
filibuster	10	4
filmically	10	4
filmmakers	10	3
filmmaking	10	3
filmsetter	10	3
filmstrips	10	2
filterable	10	3
filthiness	10	3
filtrating	10	3
filtration	10	3
fimbriated	10	3
finalising	10	4
finalities	10	4
finalizing	10	4
financiers	10	3
financings	10	3
finenesses	10	4
fingerhold	10	3
fingerings	10	3
fingerlike	10	3
fingerling	10	3
fingernail	10	3
fingerpick	10	3
fingerpost	10	3
fingertips	10	3
finickiest	10	3
finiteness	10	4
finnickier	10	3
fireballer	10	4
firebombed	10	4
firebrands	10	3
firebreaks	10	3
firebricks	10	3
firedrakes	10	4
firefanged	10	4
firefights	10	3
fireguards	10	3
firehouses	10	4
firelights	10	3
fireplaced	10	4
fireplaces	10	4
firepowers	10	4
fireproofs	10	3
firestones	10	4
firestorms	10	3
firethorns	10	3
firewaters	10	4
firmaments	10	3
firmnesses	10	3
firstborns	10	2
firstlings	10	2
fisherfolk	10	3
fishmonger	10	3
fishplates	10	3
fishtailed	10	3
fissioning	10	3
fistfights	10	2
fisticuffs	10	3
fitfulness	10	3

FAQs

Are FI-starting words common?
FI is a frequent start; probing vowel swaps after FI quickly narrows options.

Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.