13-letter words starting with U

13-letter words starting with U number 687, from UNDERSTANDING to UNPRECEDENTED, with a top recorded score of 32 for UNEQUIVOCABLY.

687 wordsTop pick UNDERSTANDINGHighest score UNEQUIVOCABLY 32

15 of 687 are everyday words (2%). Mostly rare words: great for Scrabble, tough for daily puzzles.

Letter
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

P starts the most 13-letter words (1,597); Y starts the fewest (10). U ranks #9 of 26. The bar under each letter shows the size of its list.

Length
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Common words 15 · most-used first

UNDERSTANDING₁₆
UNFORTUNATELY₁₉
UNCOMFORTABLE₂₂
UNDERGRADUATE₁₆
UNPRECEDENTED₁₉
UNDERESTIMATE₁₆
UNPREDICTABLE₂₀
UNCONDITIONAL₁₆
UNFORGETTABLE₁₉
UNNECESSARILY₁₈
UNCERTAINTIES₁₅
UNINTERRUPTED₁₆
UNSUSTAINABLE₁₅
UNINTENTIONAL₁₃
UNWILLINGNESS₁₇

All valid words 687

A to Z. Includes rare and Collins-only words. Linked tiles open the word's meaning, score and rhymes.

UBIQUITARIANS₂₄
UGLIFICATIONS₁₉
ULTRACAUTIOUS₁₅
ULTRACRITICAL₁₇
ULTRADISTANCE₁₆
ULTRAFAMILIAR₁₈
ULTRAFEMININE₁₈
ULTRAFILTERED₁₇
ULTRAFILTRATE₁₆
ULTRALEFTISMS₁₈
ULTRALEFTISTS₁₆
ULTRALIBERALS₁₅
ULTRALUMINOUS₁₅
ULTRAMARATHON₁₈
ULTRAMILITANT₁₅
ULTRAMONTANES₁₅
ULTRANATIONAL₁₃
ULTRAORTHODOX₂₄
ULTRAPHYSICAL₂₃
ULTRAPOWERFUL₂₁
ULTRARADICALS₁₆
ULTRARAREFIED₁₇
ULTRARATIONAL₁₃
ULTRAREALISMS₁₅
ULTRAREALISTS₁₃
ULTRARELIABLE₁₅
ULTRARIGHTISM₁₉
ULTRARIGHTIST₁₇
ULTRAROMANTIC₁₇
ULTRAROYALIST₁₆
ULTRASONOGRAM₁₆
ULTRAVIOLENCE₁₈
ULTRAVIRILITY₁₉
ULTRAWIDEBAND₂₀
UMBELLIFEROUS₂₀
UMBILICATIONS₁₉
UMBRACULIFORM₂₄
UNABBREVIATED₂₁
UNACCENTUATED₁₈
UNACCEPTANCES₂₁
UNACCOMPANIED₂₂
UNACCOUNTABLE₁₉
UNACCOUNTABLY₂₂
UNADJUDICATED₂₅
UNADULTERATED₁₅
UNADVENTUROUS₁₇
UNADVISEDNESS₁₈
UNAMBIGUOUSLY₂₁
UNAMBITIOUSLY₂₀
UNAMIABLENESS₁₇
UNANIMOUSNESS₁₅
UNANTICIPATED₁₈
UNAPOLOGISING₁₇
UNAPOLOGIZING₂₆
UNAPOSTOLICAL₁₇
UNAPPARELLING₁₈
UNAPPEALINGLY₂₁
UNAPPRECIATED₂₀
UNAPPREHENDED₂₂
UNAPPROPRIATE₁₉
UNAPPROVINGLY₂₄
UNARTICULATED₁₆
UNASCERTAINED₁₆
UNASHAMEDNESS₁₉
UNASSERTIVELY₁₉
UNASSIMILABLE₁₇
UNASSIMILABLY₂₀
UNASSIMILATED₁₆
UNASSUAGEABLE₁₆
UNATHLETICISM₂₀
UNAWARENESSES₁₆
UNBARRICADING₁₉
UNBEAUTIFULLY₂₁
UNBELIEVINGLY₂₂
UNBELLIGERENT₁₆
UNBENDINGNESS₁₇
UNBESEEMINGLY₂₁
UNBIASSEDNESS₁₆
UNBLESSEDNESS₁₆
UNBLINDFOLDED₂₁
UNBOUNDEDNESS₁₇
UNBOWDLERISED₂₀
UNBOWDLERIZED₂₉
UNBRIDLEDNESS₁₇
UNBROTHERLIKE₂₂
UNCALCULATING₁₈
UNCANNINESSES₁₅
UNCANONICALLY₂₀
UNCAPITALISED₁₈
UNCAPITALIZED₂₇
UNCEASINGNESS₁₆
UNCEREMONIOUS₁₇
UNCERTAINNESS₁₅
UNCERTAINTIES₁₅
UNCHALLENGING₂₀
UNCHARISMATIC₂₂
UNCHARNELLING₁₉
UNCHASTISABLE₂₀
UNCHASTIZABLE₂₉
UNCHLORINATED₁₉
UNCHRISTENING₁₉
UNCHRISTIANED₁₉
UNCHRISTIANLY₂₁
UNCIRCUMCISED₂₂
UNCIVILISEDLY₂₂
UNCIVILIZEDLY₃₁
UNCIVILNESSES₁₈
UNCLEANLINESS₁₅
UNCLEANNESSES₁₅
UNCLEARNESSES₁₅
UNCLOISTERING₁₆
UNCLOUDEDNESS₁₇
UNCOLLECTIBLE₁₉
UNCOMBATIVELY₂₅
UNCOMFORTABLE₂₂
UNCOMFORTABLY₂₅
UNCOMMENDABLE₂₂
UNCOMMENDABLY₂₅
UNCOMPANIONED₂₀
UNCOMPENSATED₂₀
UNCOMPETITIVE₂₂
UNCOMPLAINING₂₀
UNCOMPLAISANT₁₉
UNCOMPLICATED₂₂
UNCOMPRESSING₂₀
UNCONCEALABLE₁₉
UNCONCEIVABLE₂₂
UNCONCEIVABLY₂₅
UNCONCERNEDLY₂₁
UNCONCERNMENT₁₉
UNCONDITIONAL₁₆
UNCONDITIONED₁₇
UNCONFORMABLE₂₂
UNCONFORMABLY₂₅
UNCONJECTURED₂₅
UNCONJUNCTIVE₂₇
UNCONNECTEDLY₂₁
UNCONQUERABLE₂₆
UNCONQUERABLY₂₉
UNCONSCIOUSES₁₇
UNCONSCIOUSLY₂₀
UNCONSECRATED₁₈
UNCONSECRATES₁₇
UNCONSIDERING₁₇
UNCONSTRAINED₁₆
UNCONSTRAINTS₁₅
UNCONSTRICTED₁₈
UNCONSTRUCTED₁₈
UNCONSUMMATED₂₀
UNCONTAINABLE₁₇
UNCONTENTIOUS₁₅
UNCONTESTABLE₁₇
UNCONVERSABLE₂₀
UNCONVERTIBLE₂₀
UNCOOPERATIVE₂₀
UNCOORDINATED₁₇
UNCORRECTABLE₁₉
UNCOURTLINESS₁₅
UNCOUTHNESSES₁₈
UNCREATEDNESS₁₆
UNCUSTOMARILY₂₀
UNDAUNTEDNESS₁₅
UNDECIDEDNESS₁₈
UNDELIVERABLE₁₉
UNDEMANDINGLY₂₁
UNDEPRECIATED₁₉
UNDERACHIEVED₂₃
UNDERACHIEVER₂₂
UNDERACHIEVES₂₂
UNDERACTIVITY₂₂
UNDERBEARINGS₁₇
UNDERBLANKETS₂₀
UNDERBREEDING₁₈
UNDERBRUSHING₂₀
UNDERBUDGETED₁₉
UNDERBUILDERS₁₇
UNDERBUILDING₁₈
UNDERCARRIAGE₁₇
UNDERCHARGING₂₁
UNDERCLASSMAN₁₈
UNDERCLASSMEN₁₈
UNDERCLOTHING₂₀
UNDERCLUBBING₂₁
UNDERCOATINGS₁₇
UNDERCOUNTING₁₇
UNDERCRESTING₁₇
UNDERCURRENTS₁₆
UNDERDEVELOPS₂₀
UNDERDIAGNOSE₁₆
UNDERDRAINAGE₁₆
UNDERDRAINING₁₆
UNDERDRAWINGS₁₉
UNDERDRESSING₁₆
UNDEREDUCATED₁₈
UNDEREMPHASES₂₁
UNDEREMPHASIS₂₁
UNDEREMPLOYED₂₂
UNDERESTIMATE₁₆
UNDEREXPOSING₂₄
UNDEREXPOSURE₂₃
UNDERFINANCED₂₀
UNDERFINISHED₂₁
UNDERFUNDINGS₁₉
UNDERGARMENTS₁₇
UNDERGRADUATE₁₆
UNDERGROUNDER₁₆
UNDERHANDEDLY₂₂
UNDERINFLATED₁₈
UNDERINFORMED₂₀
UNDERKINGDOMS₂₂
UNDERLAYMENTS₁₉
UNDERLETTINGS₁₅
UNDERMEANINGS₁₇
UNDERNICENESS₁₆
UNDERPAINTING₁₇
UNDERPASSIONS₁₆
UNDERPAYMENTS₂₁
UNDERPERFORMS₂₁
UNDERPINNINGS₁₇
UNDERPLANTING₁₇
UNDERPRAISING₁₇
UNDERPREPARED₁₉
UNDERPROPPERS₂₀
UNDERPROPPING₂₁
UNDERREACTING₁₇
UNDERREPORTED₁₇
UNDERRUNNINGS₁₅
UNDERSEALINGS₁₅
UNDERSHERIFFS₂₃
UNDERSHOOTING₁₈
UNDERSKINKERS₂₂
UNDERSPENDING₁₈
UNDERSTAFFING₂₁
UNDERSTANDERS₁₅
UNDERSTANDING₁₆
UNDERSTATEDLY₁₈
UNDERSTEERING₁₅
UNDERSTOCKING₂₁
UNDERSTRAPPER₁₈
UNDERSTRENGTH₁₈
UNDERSTUDYING₁₉
UNDERSUPPLIED₁₉
UNDERSUPPLIES₁₈
UNDERSURFACES₁₉
UNDERTHROWING₂₁
UNDERTHRUSTED₁₈
UNDERTREATING₁₅
UNDERTRUMPING₁₉
UNDERUTILISED₁₅
UNDERUTILISES₁₄
UNDERUTILIZED₂₄
UNDERUTILIZES₂₃
UNDERWEIGHTED₂₂
UNDERWHELMING₂₃
UNDERWRITINGS₁₈
UNDESCENDABLE₁₉
UNDESCENDIBLE₁₉
UNDESCRIBABLE₂₀
UNDESERVINGLY₂₁
UNDETERMINATE₁₆
UNDEVIATINGLY₂₁
UNDIAGNOSABLE₁₇
UNDIALECTICAL₁₈
UNDIFFERENCED₂₃
UNDISCERNEDLY₂₀
UNDISCERNIBLE₁₈
UNDISCERNIBLY₂₁
UNDISCERNINGS₁₇
UNDISCIPLINED₁₉
UNDISCIPLINES₁₈
UNDISCOMFITED₂₂
UNDISCOURAGED₁₈
UNDISCUSSABLE₁₈
UNDISCUSSIBLE₁₈
UNDISGUISABLE₁₇
UNDISGUISEDLY₁₉
UNDISHONOURED₁₈
UNDISSOCIATED₁₇
UNDISTEMPERED₁₉
UNDISTINCTIVE₁₉
UNDISTRACTING₁₇
UNDISTRIBUTED₁₇
UNDISTURBEDLY₂₀
UNDIVERSIFIED₂₁
UNDIVIDEDNESS₁₉
UNDOCTRINAIRE₁₆
UNDOMESTICATE₁₈
UNDULATIONIST₁₄
UNDUTIFULNESS₁₇
UNDYINGNESSES₁₈
UNEARTHLINESS₁₆
UNEATABLENESS₁₅
UNELECTRIFIED₁₉
UNEMBARRASSED₁₈
UNEMBELLISHED₂₁
UNEMOTIONALLY₁₈
UNEMPIRICALLY₂₂
UNEMPLOYABLES₂₂
UNEMPLOYMENTS₂₂
UNENCOURAGING₁₇
UNENDEARINGLY₁₈
UNENFORCEABLE₂₀
UNENLIGHTENED₁₈
UNENTERTAINED₁₄
UNEQUIVOCABLY₃₂
UNEQUIVOCALLY₃₀
UNESSENTIALLY₁₆
UNESTABLISHED₁₉
UNEVANGELICAL₁₉
UNEXAGGERATED₂₃
UNEXCEPTIONAL₂₄
UNEXCLUSIVELY₂₈
UNEXEMPLIFIED₂₈
UNEXPENSIVELY₂₈
UNEXPERIENCED₂₅
UNEXPLAINABLE₂₄
UNEXPLAINABLY₂₇
UNEXPRESSIBLE₂₄
UNFAILINGNESS₁₇
UNFALSIFIABLE₂₁
UNFALTERINGLY₂₀
UNFAMILIARITY₂₁
UNFASHIONABLE₂₁
UNFASHIONABLY₂₄
UNFEASIBILITY₂₁
UNFEELINGNESS₁₇
UNFEIGNEDNESS₁₈
UNFEUDALISING₁₈
UNFEUDALIZING₂₇
UNFIXEDNESSES₂₄
UNFLINCHINGLY₂₅
UNFORESEEABLE₁₈
UNFORESEEABLY₂₁
UNFORESKINNED₂₁
UNFORGETTABLE₁₉
UNFORGETTABLY₂₂
UNFORGIVENESS₂₀
UNFORGIVINGLY₂₄
UNFORTHCOMING₂₄
UNFORTUNATELY₁₉
UNFOUNDEDNESS₁₈
UNFRIENDLIEST₁₇
UNFRIENDSHIPS₂₂
UNFULFILLABLE₂₁
UNFULFILLMENT₂₁
UNFUNNINESSES₁₆
UNGAINSAYABLE₁₉
UNGENTILITIES₁₄
UNGENTLEMANLY₁₉
UNGENUINENESS₁₄
UNGODLINESSES₁₅
UNGRAMMATICAL₂₀
UNGUARDEDNESS₁₆
UNHANDICAPPED₂₄
UNHANDINESSES₁₇
UNHAPPINESSES₂₀
UNHEALTHFULLY₂₅
UNHEALTHINESS₁₉
UNHELPFULNESS₂₁
UNHOMOGENISED₂₀
UNHOMOGENIZED₂₉
UNHURTFULNESS₁₉
UNICAMERALISM₁₉
UNICAMERALIST₁₇
UNIDEOLOGICAL₁₇
UNIFORMNESSES₁₈
UNILATERALISM₁₅
UNILATERALIST₁₃
UNILATERALITY₁₆
UNILINGUALISM₁₆
UNILLUMINATED₁₆
UNILLUSTRATED₁₄
UNIMAGINATIVE₁₉
UNIMPASSIONED₁₈
UNIMPEACHABLE₂₄
UNIMPEACHABLY₂₇
UNIMPLEMENTED₂₀
UNIMPORTANCES₁₉
UNIMPORTANTLY₂₀
UNIMPREGNATED₁₉
UNIMPRESSIBLE₁₉
UNINAUGURATED₁₅
UNINFLAMMABLE₂₂
UNINFLUENTIAL₁₆
UNINFORCEABLE₂₀
UNINFORMATIVE₂₁
UNINHABITABLE₂₀
UNINHIBITEDLY₂₂
UNINQUISITIVE₂₅
UNINSPIRINGLY₁₉
UNINSTRUCTIVE₁₈
UNINTELLIGENT₁₄
UNINTENTIONAL₁₃
UNINTERESTING₁₄
UNINTERMITTED₁₆
UNINTERRUPTED₁₆
UNINTIMIDATED₁₇
UNINVENTIVELY₂₂
UNIONISATIONS₁₃
UNIONIZATIONS₂₂
UNIPARENTALLY₁₈
UNIPOLARITIES₁₅
UNITARIANISMS₁₅
UNIVERBATIONS₁₈
UNIVERSALISED₁₇
UNIVERSALISES₁₆
UNIVERSALISMS₁₈
UNIVERSALISTS₁₆
UNIVERSALIZED₂₆
UNIVERSALIZES₂₅
UNIVERSALNESS₁₆
UNIVOCALITIES₁₈
UNJUSTIFIABLE₂₅
UNJUSTIFIABLY₂₈
UNKEMPTNESSES₂₁
UNKNOWABILITY₂₅
UNKNOWINGNESS₂₁
UNKNOWNNESSES₂₀
UNLEARNEDNESS₁₄
UNLIKELIHOODS₂₁
UNLIMITEDNESS₁₆
UNLUCKINESSES₁₉
UNMACADAMISED₂₁
UNMACADAMIZED₃₀
UNMALICIOUSLY₂₀
UNMANIPULATED₁₈
UNMANLINESSES₁₅
UNMEANINGNESS₁₆
UNMECHANISING₂₁
UNMECHANIZING₃₀
UNMEDICINABLE₂₀
UNMELODIOUSLY₁₉
UNMENTIONABLE₁₇
UNMENTIONABLY₂₀
UNMETABOLISED₁₈
UNMETABOLIZED₂₇
UNMINDFULNESS₁₉
UNMINISTERIAL₁₅
UNMISTAKEABLE₂₁
UNMISTAKEABLY₂₄
UNMISTRUSTFUL₁₈
UNMITIGATEDLY₂₀
UNMURMURINGLY₂₁
UNMUSICALNESS₁₇
UNNATURALISED₁₄
UNNATURALISES₁₃
UNNATURALIZED₂₃
UNNATURALIZES₂₂
UNNATURALNESS₁₃
UNNECESSARILY₁₈
UNNEIGHBOURED₂₀
UNNEIGHBOURLY₂₂
UNNILPENTIUMS₁₇
UNNILQUADIUMS₂₅
UNNILSEPTIUMS₁₇
UNOBSERVANCES₂₀
UNOBSTRUCTIVE₂₀
UNOBTRUSIVELY₂₁
UNORIGINALITY₁₇
UNORTHODOXIES₂₄
UNPARASITISED₁₆
UNPARASITIZED₂₅
UNPASTEURISED₁₆
UNPASTEURIZED₂₅
UNPERCEIVABLE₂₂
UNPERCEIVABLY₂₅
UNPERCEIVEDLY₂₄
UNPERFECTIONS₂₀
UNPERFECTNESS₂₀
UNPERFORMABLE₂₂
UNPERPETRATED₁₈
UNPERSUADABLE₁₈
UNPHILOSOPHIC₂₅
UNPICTURESQUE₂₆
UNPITIFULNESS₁₈
UNPLEASURABLE₁₇
UNPLEASURABLY₂₀
UNPOLARISABLE₁₇
UNPOLARIZABLE₂₆
UNPOLITICALLY₂₀
UNPRACTICABLE₂₁
UNPRACTICALLY₂₂
UNPRECEDENTED₁₉
UNPREDICTABLE₂₀
UNPREDICTABLY₂₃
UNPREOCCUPIED₂₂
UNPRESENTABLE₁₇
UNPRESSURISED₁₆
UNPRESSURIZED₂₅
UNPRETENTIOUS₁₅
UNPREVENTABLE₂₀
UNPROBLEMATIC₂₁
UNPROGRESSIVE₁₉
UNPROMISINGLY₂₁
UNPROPHETICAL₂₂
UNPROVISIONED₁₉
UNPROVOCATIVE₂₃
UNPUBLISHABLE₂₂
UNPUNCTUALITY₂₀
UNPURCHASABLE₂₂
UNPUTDOWNABLE₂₁
UNQUALIFIABLE₂₇
UNQUALIFIEDLY₂₉
UNQUESTIONING₂₃
UNQUIETNESSES₂₂
UNREADABILITY₁₉
UNREADINESSES₁₄
UNREASONINGLY₁₇
UNRECLAIMABLE₁₉
UNRECLAIMABLY₂₂
UNRECOGNISING₁₇
UNRECOGNIZING₂₆
UNRECOLLECTED₁₈
UNRECOMMENDED₂₁
UNRECOMPENSED₂₀
UNRECOVERABLE₂₀
UNRECOVERABLY₂₃
UNRECYCLABLES₂₂
UNREGENERATED₁₅
UNREGENERATES₁₄
UNRELENTINGLY₁₇
UNRELIABILITY₁₈
UNRELIGIOUSLY₁₇
UNREMEMBERING₂₀
UNREMINISCENT₁₇
UNREMITTENTLY₁₈
UNREMITTINGLY₁₉
UNREMORSELESS₁₅
UNREPENTANCES₁₇
UNREPENTANTLY₁₈
UNREPENTINGLY₁₉
UNREPLACEABLE₁₉
UNREPLENISHED₁₉
UNREPRESENTED₁₆
UNREPRIEVABLE₂₀
UNREPRIMANDED₁₉
UNREPROACHFUL₂₃
UNREPROACHING₂₁
UNRESISTINGLY₁₇
UNRESPECTABLE₁₉
UNRESTFULNESS₁₆
UNRESTINGNESS₁₄
UNRETURNABLES₁₅
UNRETURNINGLY₁₇
UNREWARDINGLY₂₁
UNRIGHTEOUSLY₂₀
UNRUFFLEDNESS₂₀
UNSAINTLINESS₁₃
UNSALEABILITY₁₈
UNSALVAGEABLE₁₉
UNSALVAGEABLY₂₂
UNSANCTIFYING₂₂
UNSATISFIABLE₁₈
UNSATURATIONS₁₃
UNSAVOURINESS₁₆
UNSCABBARDING₂₁
UNSCAVENGERED₂₀
UNSCHOLARLIKE₂₂
UNSCRUTINISED₁₆
UNSCRUTINIZED₂₅
UNSELECTIVELY₂₁
UNSELFISHNESS₁₉
UNSENSATIONAL₁₃
UNSENSUALISED₁₄
UNSENSUALISES₁₃
UNSENSUALIZED₂₃
UNSENSUALIZES₂₂
UNSENTIMENTAL₁₅
UNSERIOUSNESS₁₃
UNSERVICEABLE₂₀
UNSERVICEABLY₂₃
UNSETTLEDNESS₁₄
UNSETTLEMENTS₁₅
UNSHAPELINESS₁₈
UNSHARPNESSES₁₈
UNSHRINKINGLY₂₄
UNSIGHTLINESS₁₇
UNSINKABILITY₂₂
UNSKILFULNESS₂₀
UNSMOTHERABLE₂₀
UNSOCIABILITY₂₀
UNSOCIALITIES₁₅
UNSOLDIERLIKE₁₈
UNSOLVABILITY₂₁
UNSOUNDNESSES₁₄
UNSPARINGNESS₁₆
UNSPECIALISED₁₈
UNSPECIALIZED₂₇
UNSPECIFIABLE₂₂
UNSPECTACULAR₁₉
UNSPECULATIVE₂₀
UNSPIRITUALLY₁₈
UNSPOTTEDNESS₁₆
UNSTAIDNESSES₁₄
UNSTARTLINGLY₁₇
UNSTAUNCHABLE₂₀
UNSTEADFASTLY₂₀
UNSTERCORATED₁₆
UNSTIGMATISED₁₇
UNSTIGMATIZED₂₆
UNSTIMULATING₁₆
UNSUBSCRIBING₂₀
UNSUBSTANTIAL₁₅
UNSUITABILITY₁₈
UNSUPERFLUOUS₁₈
UNSUPPORTABLE₁₉
UNSUPPORTEDLY₂₁
UNSURPASSABLE₁₇
UNSURPASSABLY₂₀
UNSUSCEPTIBLE₁₉
UNSUSPECTEDLY₂₁
UNSUSTAINABLE₁₅
UNSUSTAINABLY₁₈
UNSYMMETRICAL₂₂
UNSYMMETRISED₂₁
UNSYMMETRIZED₃₀
UNSYMPATHETIC₂₅
UNSYMPTOMATIC₂₄
UNTACTFULNESS₁₈
UNTAINTEDNESS₁₄
UNTAMABLENESS₁₇
UNTAMEDNESSES₁₆
UNTENABLENESS₁₅
UNTERRESTRIAL₁₃
UNTHANKFULLER₂₃
UNTHEOLOGICAL₁₉
UNTHEORETICAL₁₈
UNTHREATENING₁₇
UNTHRIFTINESS₁₉
UNTHRIFTYHEAD₂₆
UNTHRIFTYHEDS₂₆
UNTRADITIONAL₁₄
UNTRANSFORMED₁₉
UNTRANSMITTED₁₆
UNTRANSPARENT₁₅
UNTRAVERSABLE₁₈
UNTREMBLINGLY₂₁
UNTRESPASSING₁₆
UNTRUSTWORTHY₂₂
UNTUNABLENESS₁₅
UNTUNEFULNESS₁₆
UNUSUALNESSES₁₃
UNVITRIFIABLE₂₁
UNVULGARISING₁₈
UNVULGARIZING₂₇
UNWARRANTABLE₁₈
UNWARRANTABLY₂₁
UNWARRANTEDLY₂₀
UNWEARIEDNESS₁₇
UNWELCOMENESS₂₀
UNWHISTLEABLE₂₁
UNWHOLESOMELY₂₄
UNWIELDLINESS₁₇
UNWILLINGNESS₁₇
UNWITHDRAWING₂₄
UNWITHHOLDING₂₄
UNWITTINGNESS₁₇
UNWOMANLINESS₁₈
UNWORKABILITY₂₅
UNWORKMANLIKE₂₆
UNWORLDLINESS₁₇
UPGRADABILITY₂₂
UPHOLSTRESSES₁₈
UPPERCLASSMAN₂₁
UPPERCLASSMEN₂₁
UPRIGHTEOUSLY₂₂
UPRIGHTNESSES₁₉
UPTIGHTNESSES₁₉
URALITISATION₁₃
URALITIZATION₂₂
URANOGRAPHERS₁₉
URANOGRAPHIES₁₉
URANOGRAPHIST₁₉
URANOPLASTIES₁₅
URBANISATIONS₁₅
URBANIZATIONS₂₄
URBANOLOGISTS₁₆
UREDINIOSPORE₁₆
URETHROSCOPES₂₀
URETHROSCOPIC₂₂
UROBILINOGENS₁₆
UROGYNECOLOGY₂₃
USEABLENESSES₁₅
USELESSNESSES₁₃
USTILAGINEOUS₁₄
UTRICULITISES₁₅
UTTERABLENESS₁₅

Letters by positionIn 91% of these words the 2nd letter is N.

2nd letter

N91%
L5%
R2%

4th letter

E29%
O12%
R10%

5th letter

R21%
A12%
N9%

10th letter

A22%
N19%
I16%

12th letter

E28%
L27%
N12%

13th letter

S29%
Y18%
D18%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses

Score spreadMost of these words score 18 in Scrabble; UNEQUIVOCABLY tops the list with 32. Scores before board bonuses.

1313 points: 17 words
14 points: 20 words
1515 points: 51 words
16 points: 65 words
1717 points: 79 words
18 points: 83 words
1919 points: 78 words
20 points: 74 words
2121 points: 65 words
22 points: 56 words
2323 points: 18 words
24 points: 24 words
2525 points: 23 words
26 points: 10 words
2727 points: 9 words
28 points: 4 words
2929 points: 5 words
30 points: 4 words
3131 points: 1 words
32 points: 1 words

Word	Scrabble	Words With Friends	Dictionaries
UNEQUIVOCABLY	32	38	All three
UNCIVILIZEDLY	31	36	Collins only
UNEQUIVOCALLY	30	36	All three
UNMACADAMIZED	30	35	Collins only
UNMECHANIZING	30	36	Collins only
UNSYMMETRIZED	30	33	Collins only
UNQUALIFIEDLY	29	33	All three
UNBOWDLERIZED	29	33	All three
UNCONQUERABLY	29	35	All three
UNHOMOGENIZED	29	33	All three
UNCHASTIZABLE	29	33	Collins only
UNJUSTIFIABLY	28	34	All three

U has a substantial long-word list, but familiar vocabulary is a small slice: just 15 entries rank among the most common English words. UNDERSTANDING and UNCOMFORTABLE are recognizable examples; many other entries are specialized or built from less familiar endings. The contrast matters in word games: a match by length and first letter does not guarantee that your game accepts every word.

13-letter words starting with U at a glance

The list contains 687 words beginning with U and measuring 13 letters.
Only 15 entries fall within the common-word group.
UNDERSTANDING, UNFORTUNATELY, and UNPRECEDENTED are recognizable examples.
UNEQUIVOCABLY has the highest recorded score, 32.
Collins lists 638 entries, NWL2023 lists 390, and ENABLE lists 310; the sets overlap.
A total of 469 entries have definitions, and the average score is 19.2.

Which endings and scores stand out?

Final S is the leading ending, with 200 entries; Y, D, and E follow with 123, 122, and 110. That concentration makes the final letter a useful filter when a board clue fixes the tail. Less often, a word ends in C, which appears in only 7 entries.

The strongest scores come from unusual letter combinations rather than familiar words. UNEQUIVOCABLY leads at 32 points, with UNCIVILIZEDLY next at 31 and UNEQUIVOCALLY at 30. The average score is 19.2, so the leaders stand well clear of a typical entry.

How to use 13-letter words starting with U

Start with the recognizable UN- forms: UNDERGRADUATE, UNPREDICTABLE, and UNFORGETTABLE.
When the final letter is known, sort by the endings: S, Y, D, and E dominate.
For a score-first search, compare UNEQUIVOCABLY at 32 with UNCIVILIZEDLY at 31 and UNEQUIVOCALLY at 30.
Familiar UN- compounds such as UNCERTAINTIES and UNNECESSARILY are easier to recall than scientific-looking entries.
Among the next tier, UNCONQUERABLY and UNQUALIFIEDLY each reach 29 points.

Questions people ask

How many 13-letter words start with U?

There are 687 13-letter words starting with U. Familiar examples include UNDERSTANDING, UNCOMFORTABLE, and UNPRECEDENTED, but only 15 entries belong to the common-word group. That makes the list much broader than everyday vocabulary.

Which 13-letter U word has the highest score?

UNEQUIVOCABLY is the top scorer at 32 points. UNCIVILIZEDLY follows at 31, and UNEQUIVOCALLY reaches 30. Those raw totals come from tile values alone, so board premiums can change a play's final score.

Are all 13-letter U words accepted in every word game?

No. The dictionary totals differ: 638 entries appear in Collins, 390 in NWL2023, and 310 in ENABLE. Those are separate counts, not a promise that every game accepts every word. Check the word list used by your game before playing an unfamiliar entry.

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