10-Letter Words Starting With U

Last updated: October 1, 2026

Counting only the ENABLE word list, 664 entries are 10-letter words that start with U. That is about 0.39% of the list. All of them have the same length, so they differ only in their letters. The highest base score belongs to UNMUZZLING (31 points), using commonly used tile values. 36 of them use no letter twice, which matters in games where every tile is separate. Games use their own dictionaries, so a word here isn't automatically playable everywhere.

At a glance

Fact	Value
Words in this list	664
Share of the ENABLE list shown on this site	0.39%
Length	All 10 letters
Highest base score (common values)	`UNMUZZLING`, 31
No repeated letters	36

Most common first letters

Letter	Words
U	664

Patterns in this list

None of these words is a palindrome (the same backward and forward).
The most common endings here are -ED (187), -NG (129), -ES (43).
The most common number of vowels (A, E, I, O, U) is 4, found in 365 of these words.
The average length is 10.0 letters.
More of them start with U than with any other letter (664).

All 10-letter U words

UB… 3

ubiquinone ubiquities ubiquitous

UD… 1

udometries

UF… 2

ufological ufologists

UG… 1

uglinesses

UI… 1

uintahites

UL… 31

ulcerating ulceration ulcerative ulteriorly ultimacies ultimately ultimating ultimatums ultrabasic ultraclean ultradense ultrafiche ultraheats ultraheavy ultrahuman ultraistic ultralight ultramafic ultramicro ultraquiet ultrarapid ultraright ultrasharp ultrashort ultraslick ultrasmall ultrasmart ultrasonic ultrasound ultravacua ululations

UM… 5

umbellifer umbilicals umbilicate umbrageous umbrellaed

UN… 543

unabatedly unabridged unabsorbed unacademic unaccented unaccepted unachieved unactorish unadjusted unadmitted unaffected unaffluent unalluring unamenable unanalyzed unanchored unanswered unapparent unappeased unapproved unarguable unarguably unarrogant unartistic unassailed unassigned unassisted unassuaged unassuming unathletic unattached unattended unattested unavailing unawakened unbalanced unbalances unbandaged unbandages unbaptized unbarbered unbearable unbearably unbeatable unbeatably unbecoming unbeholden unbeliever unbendable unbiblical unbleached unblenched unblinking unblocking unbloodied unblushing unbonneted unbosoming unbraiding unbranched unbreeched unbreeches unbridling unbuckling unbudgeted unbuffered unbuilding unbundling unburdened unburnable unbuttered unbuttoned uncalcined uncanceled uncandidly uncanniest uncarpeted uncensored uncensured unchaining unchanging uncharging uncharming unchastely unchastity unchewable unchurched unchurches unchurchly unciliated unclamping unclasping uncleanest unclearest unclenched unclenches unclinched unclinches unclipping uncloaking unclogging unclothing unclouding unclutters uncoalesce uncodified uncoercive uncoffined uncombined uncommoner uncommonly unconcerns unconfined unconfused unconfuses unconsumed unconvoyed uncorseted uncouplers uncoupling uncovering uncreating uncreative uncredited uncrippled uncritical uncrossing uncrowning uncrumpled uncrumples unctuously uncultured undecadent undeceived undeceives undecideds undeclared undefeated undefended undeformed undeniable undeniably underacted underbelly underbrims underbrush undercards underclass undercoats undercools undercount undercover undercroft underdoing undereaten underfeeds underfunds undergirds underglaze undergoing undergrads underlined underlines underlings underlying undermined undermines underneath underpants underparts underplays underplots underprice underproof underrated underrates underreact underscore undersells undersexed undershirt undershoot undershrub undersides undersized underskirt underslung underspins understand understate understeer understood understory understudy undertaken undertaker undertakes undertaxed undertaxes undertones undertrick undervalue underwater underwhelm underwings underwoods underwools underworld underwrite underwrote undeserved undetected undeterred undidactic undigested undirected undismayed undisputed undoctored undogmatic undomestic undoubling undoubting undramatic undressing undulating undulation undulatory unearthing uneasiness uneconomic unedifying uneducable uneducated unemphatic unemployed unenclosed unendingly unenforced unenlarged unenriched unenviable unequalled unequipped unerringly unevenness uneventful unexamined unexampled unexcelled unexciting unexpected unexpended unexploded unexplored unfadingly unfairness unfaithful unfamiliar unfastened unfathered unfavorite unfeasible unfeminine unfettered unfilially unfiltered unfindable unfinished unflagging unfocussed unfoldment unforeseen unforested unfreedoms unfreezing unfriended unfriendly unfrocking unfruitful ungainlier ungenerous ungimmicky ungodliest ungraceful ungracious ungrateful ungrounded ungrudging unguarding unhallowed unhampered unhandiest unhandsome unhappiest unheralded unhindered unhitching unholiness unhouseled unhumorous unhygienic unicameral unicyclist unifoliate uniformest uniforming uniformity unilateral unilingual unilocular unimpaired unimposing unimproved unindicted uninfected uninflated uninformed uninitiate uninspired unintended uninterest uninviting uninvolved unionising unionizing uniqueness unitarians univalents univariate universals university univocally unjointing unjustness unkenneled unkindlier unkindness unknitting unknotting unknowable unknowings unladylike unlamented unlatching unlawfully unlearning unleashing unleavened unlettered unleveling unlevelled unlicensed unlikelier unlikeness unlimbered unliterary unloosened unlovelier unluckiest unmanliest unmannered unmannerly unmarrieds unmeasured unmediated unmerciful unmilitary unmingling unmitering unmodified unmolested unmorality unmuffling unmuzzling unnameable unneurotic unnumbered unobserved unoccupied unofficial unopenable unoriginal unorthodox unparented unpassable unpastoral unpedantic unpeopling unplaiting unplayable unpleasant unpleasing unplugging unpolished unpolluted unpregnant unprepared unproduced unprompted unprovable unprovoked unpuckered unpunctual unpunished unpuzzling unquietest unraveling unravelled unravished unreadable unreadiest unrealized unreasoned unrecorded unredeemed unreformed unreliable unrelieved unremarked unreported unrequited unreserved unreserves unresolved unrestored unrevealed unreviewed unrewarded unrhythmic unriddling unripeness unrivalled unromantic unrounding unruliness unsaddling unsafeties unsalaried unsanitary unsaturate unscalable unschooled unscramble unscreened unscrewing unscripted unseasoned unseemlier unselected unsellable unsettling unshackled unshackles unshakable unshakably unsheathed unsheathes unshelling unshifting unshipping unsighting unsinkable unskillful unslakable unslinging unsmoothed unsnapping unsnarling unsociable unsociably unsocially unsoldered unsolvable unsoundest unspeaking unspecific unsphering unstablest unstacking unsteadied unsteadier unsteadies unsteadily unsteeling unstepping unsticking unstinting unstitched unstitches unstoppers unstopping unstrained unstrapped unstressed unstresses unsuitable unsuitably unswathing unswearing unswerving untalented untangling unteaching untempered untenanted untestable untethered unthinking unthreaded unthroning untidiness untillable untimelier untiringly untogether untowardly untraveled untreading untrimming untroubled untrussing untrusting untruthful untwisting unutilized unverified unwariness unwavering unwearable unweighted unwieldier unwieldily unwinnable unwontedly unworkable unworthier unworthies unworthily unwrapping unwreathed unwreathes unyielding

UP… 36

upbraiders upbraiding upbringing upbuilding upchucking upclimbing upflinging upgathered upgradable uphoarding upholsters upholstery uplighting upmanships uppercased uppercases upperparts uppishness uppitiness uppityness uppropping upreaching uprighting uproarious upshifting upshooting upstanding upstarting upstepping upstirring upsweeping upswelling upswinging upthrowing upwardness upwellings

UR… 27

uraninites urbanising urbanistic urbanities urbanizing urbanology uredospore ureotelism urethrites urethritis uricosuric uricotelic urinalyses urinalysis urinations urinometer urochromes urogenital urokinases urological urologists uropygiums uroscopies urticarial urticarias urticating urtication

US… 6

usableness usefulness usherettes usquebaugh usuriously usurpation

UT… 4

utilizable utopianism utterances uttermosts

UV… 2

uvarovites uvulitises

UX… 2

uxoricides uxoriously

Using these words

Have a rack or a jumble? The Word Unscrambler can limit results to 10 letters with its Length filter: entering BEIINNOQUU would find UBIQUINONE among others. Words come from the open ENABLE word list. Different games use different dictionaries, so always check the rules of your game.