15-letter words with U as the 2nd letter

342 15-letter words with U as the second letter exist, and SU- opens 173 of them, more than half.

342 wordsTop pick VULNERABILITIESHighest score QUIZZIFICATIONS 47

1 of 342 are everyday words (0%). Mostly rare words: great for Scrabble, tough for daily puzzles.

2nd 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

E is the most common 2nd letter in 15-letter words (1,013 words); Z is the rarest (1). 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

Best words to play first 342 · most-used first

VULNERABILITIES₂₀
SUPPLEMENTATION₂₁
FUNDAMENTALISTS₂₁
MUSCULOSKELETAL₂₃
SUPERINTENDENTS₁₈
SUPERCONDUCTING₂₃
SURREPTITIOUSLY₂₀
MULTIFUNCTIONAL₂₂
AUTOBIOGRAPHIES₂₃
SUPERCONDUCTORS₂₂
FUNCTIONALITIES₂₀
AUTHORITATIVELY₂₄
HUMANITARIANISM₂₂
EUPHEMISTICALLY₂₇
AUTOCORRELATION₁₇
MULTILINGUALISM₂₀
MULTILATERALISM₁₉
MULTIPLICATIONS₂₁
SUPERINTENDENCE₂₀
SUPERSTRUCTURES₁₉
SUBURBANIZATION₂₈
NUCLEOSYNTHESIS₂₃
SUPERIMPOSITION₂₁
JURISPRUDENTIAL₂₅
SUPERCONDUCTIVE₂₅
SUPERINTENDENCY₂₃
MULTIPROCESSING₂₂
SUCCINYLCHOLINE₂₇
SUPERSATURATION₁₇
CUSTOMIZABILITY₃₃
SUBSTITUTIONARY₂₀
SUPERNATURALISM₁₉
SUPERHETERODYNE₂₄
AUTORADIOGRAPHY₂₅
SUPERSTITIOUSLY₂₀
AUTOTRANSFORMER₂₀
BUSINESSPERSONS₁₉
QUARTERFINALIST₂₇
SUPERMAJORITIES₂₆
PULCHRITUDINOUS₂₃
AUTHENTICATIONS₂₀
MULTIPROCESSORS₂₁
SUPERNUMERARIES₁₉
AUTOBIOGRAPHERS₂₃
FUNDAMENTALISMS₂₃
MULTIWAVELENGTH₂₇
PURPOSELESSNESS₁₉
MULTIDISCIPLINE₂₂

Showing the top 48 of 342 words. See every valid word

All valid words 342

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

AUDACIOUSNESSES₁₈
AUDIOCONFERENCE₂₃
AUDIOMETRICALLY₂₃
AUDIOMETRICIANS₂₀
AUTHENTICATIONS₂₀
AUTHORITATIVELY₂₄
AUTOBIOGRAPHERS₂₃
AUTOBIOGRAPHIES₂₃
AUTOCHTHONOUSLY₂₆
AUTOCORRELATION₁₇
AUTODESTRUCTING₁₉
AUTODESTRUCTIVE₂₁
AUTODIDACTICISM₂₃
AUTOGRAPHICALLY₂₆
AUTOINOCULATION₁₇
AUTOIONISATIONS₁₅
AUTOIONIZATIONS₂₄
AUTOMATISATIONS₁₇
AUTOMATIZATIONS₂₆
AUTOMORPHICALLY₂₇
AUTORADIOGRAPHS₂₂
AUTORADIOGRAPHY₂₅
AUTOSCHEDIASTIC₂₃
AUTOSCHEDIAZING₃₁
AUTOSTABILITIES₁₇
AUTOSUGGESTIONS₁₇
AUTOTETRAPLOIDS₁₈
AUTOTETRAPLOIDY₂₁
AUTOTRANSFORMER₂₀
AUTOTRANSFUSION₁₈
AUTOTROPHICALLY₂₅
BUMPTIOUSNESSES₂₁
BUREAUCRATISING₂₀
BUREAUCRATIZING₂₉
BUSINESSPERSONS₁₉
CULTIVABILITIES₂₂
CUSTOMARINESSES₁₉
CUSTOMIZABILITY₃₃
DUPLICABILITIES₂₂
DURCHKOMPONIERT₂₉
EUDAEMONISTICAL₂₀
EUDIOMETRICALLY₂₃
EUPHEMISTICALLY₂₇
EUTROPHICATIONS₂₂
FUGACIOUSNESSES₂₁
FUNCTIONALISTIC₂₂
FUNCTIONALITIES₂₀
FUNDAMENTALISMS₂₃
FUNDAMENTALISTS₂₁
FUNDAMENTALNESS₂₁
FUNGISTATICALLY₂₄
FURACIOUSNESSES₂₀
FURFURALDEHYDES₂₉
FUTILITARIANISM₂₀
GUILELESSNESSES₁₆
GUILTLESSNESSES₁₆
GUTTURALISATION₁₆
GUTTURALIZATION₂₅
HUCKLEBERRYINGS₃₀
HUMANITARIANISM₂₂
HUMANITARIANIST₂₀
HUMIDIFICATIONS₂₆
HUMORLESSNESSES₂₀
JUDICIOUSNESSES₂₅
JURISPRUDENTIAL₂₅
JUSTIFIABLENESS₂₇
JUXTAPOSITIONAL₃₁
LUCRATIVENESSES₂₀
LUDICROUSNESSES₁₈
LUMBERINGNESSES₂₀
LUXURIOUSNESSES₂₂
MUCOSANGUINEOUS₂₀
MULTIARTICULATE₁₉
MULTICANDIDATES₂₁
MULTICHARACTERS₂₄
MULTICOMPONENTS₂₃
MULTICONDUCTORS₂₂
MULTICULTURALLY₂₂
MULTICURRENCIES₂₁
MULTIDISCIPLINE₂₂
MULTIDIVISIONAL₂₁
MULTIELECTRODES₂₀
MULTIFUNCTIONAL₂₂
MULTILATERALISM₁₉
MULTILATERALIST₁₇
MULTILINGUALISM₂₀
MULTILOCATIONAL₁₉
MULTIMILLENNIAL₁₉
MULTINUCLEOLATE₁₉
MULTIPARAMETERS₂₁
MULTIPLICATIONS₂₁
MULTIPOLARITIES₁₉
MULTIPROCESSING₂₂
MULTIPROCESSORS₂₁
MULTIRACIALISMS₂₁
MULTITHREADINGS₂₂
MULTITUDINOUSLY₂₁
MULTIWAVELENGTH₂₇
MURDEROUSNESSES₁₈
MUSCULOSKELETAL₂₃
MUSICALISATIONS₁₉
MUSICALIZATIONS₂₈
MUSICOLOGICALLY₂₅
MUSICOTHERAPIES₂₄
NUCLEARISATIONS₁₇
NUCLEARIZATIONS₂₆
NUCLEOPHILICITY₂₇
NUCLEOPLASMATIC₂₃
NUCLEOSYNTHESES₂₃
NUCLEOSYNTHESIS₂₃
NUCLEOSYNTHETIC₂₅
NUDIBRANCHIATES₂₃
NUMISMATOLOGIES₂₀
NUMISMATOLOGIST₂₀
OUTDOORSMANSHIP₂₃
OUTMANIPULATING₂₀
OUTPERFORMANCES₂₄
OUTSPOKENNESSES₂₁
PULCHRITUDINOUS₂₃
PULMOBRANCHIATE₂₆
PULSELESSNESSES₁₇
PUNCTILIOUSNESS₁₉
PUNCTUATIONISTS₁₉
PUNISHABILITIES₂₂
PURITANICALNESS₁₉
PURPOSELESSNESS₁₉
PURPOSIVENESSES₂₂
PUSILLANIMITIES₁₉
PUSILLANIMOUSLY₂₂
QUADRAGENARIANS₂₆
QUADRINGENARIES₂₆
QUADRIPARTITION₂₇
QUADRISYLLABLES₃₀
QUADRIVALENCIES₃₀
QUADRUPLICATING₃₀
QUADRUPLICATION₂₉
QUADRUPLICITIES₂₉
QUANTIFICATIONS₂₉
QUARRELSOMENESS₂₆
QUARTERFINALIST₂₇
QUARTERMISTRESS₂₆
QUATERCENTENARY₂₉
QUATTROCENTISMS₂₈
QUATTROCENTISTS₂₆
QUERULOUSNESSES₂₄
QUESTIONABILITY₂₉
QUICKSILVERINGS₃₄
QUINCENTENARIES₂₆
QUINCENTENNIALS₂₆
QUINGENTENARIES₂₅
QUINQUAGENARIAN₃₄
QUINQUEVALENCES₃₈
QUINTESSENTIALS₂₄
QUINTUPLICATING₂₉
QUINTUPLICATION₂₈
QUIZZIFICATIONS₄₇
QUODLIBETARIANS₂₇
QUODLIBETICALLY₃₂
RUDIMENTARINESS₁₈
RUMBLEGUMPTIONS₂₄
RUMBUSTIOUSNESS₁₉
RUMMELGUMPTIONS₂₄
RUMMLEGUMPTIONS₂₄
RUMORMONGERINGS₂₁
SUBAGGREGATIONS₂₀
SUBALTERNATIONS₁₇
SUBASSOCIATIONS₁₉
SUBCATEGORISING₂₁
SUBCATEGORIZING₃₀
SUBCIVILISATION₂₂
SUBCIVILIZATION₃₁
SUBCOMMISSIONED₂₄
SUBCOMMISSIONER₂₃
SUBCONTRACTINGS₂₂
SUBCONTRAOCTAVE₂₄
SUBDEVELOPMENTS₂₅
SUBINFEUDATIONS₂₁
SUBINSINUATIONS₁₇
SUBINTELLECTION₁₉
SUBINTELLIGENCE₂₀
SUBINTELLIGITUR₁₈
SUBLAPSARIANISM₂₁
SUBMETACENTRICS₂₃
SUBMINIATURISED₂₀
SUBMINIATURISES₁₉
SUBMINIATURIZED₂₉
SUBMINIATURIZES₂₈
SUBOPTIMISATION₂₁
SUBOPTIMIZATION₃₀
SUBORDINATENESS₁₈
SUBORGANISATION₁₈
SUBORGANIZATION₂₇
SUBPROFESSIONAL₂₂
SUBPROLETARIATS₁₉
SUBREPTITIOUSLY₂₂
SUBSPECIALISING₂₂
SUBSPECIALITIES₂₁
SUBSPECIALIZING₃₁
SUBSPECIFICALLY₂₉
SUBSTANTIALISED₁₈
SUBSTANTIALISES₁₇
SUBSTANTIALISMS₁₉
SUBSTANTIALISTS₁₇
SUBSTANTIALIZED₂₇
SUBSTANTIALIZES₂₆
SUBSTANTIALNESS₁₇
SUBSTANTIATIONS₁₇
SUBSTANTIVENESS₂₀
SUBSTANTIVISING₂₁
SUBSTANTIVITIES₂₀
SUBSTANTIVIZING₃₀
SUBSTITUTIONARY₂₀
SUBSTRATOSPHERE₂₂
SUBTERRANEOUSLY₂₀
SUBTERRESTRIALS₁₇
SUBURBANISATION₁₉
SUBURBANIZATION₂₈
SUBVERSIONARIES₂₀
SUBVOCALISATION₂₂
SUBVOCALIZATION₃₁
SUCCESSLESSNESS₁₉
SUCCINYLCHOLINE₂₇
SUFFICINGNESSES₂₄
SUGGESTIBLENESS₁₉
SUGGESTIONISING₁₈
SUGGESTIONIZING₂₇
SULFAMETHAZINES₃₂
SULFINPYRAZONES₃₂
SULFUROUSNESSES₁₈
SULPHACETAMIDES₂₅
SULPHANILAMIDES₂₃
SULPHATHIAZOLES₃₂
SULPHINPYRAZONE₃₄
SULPHONMETHANES₂₅
SULPHUREOUSNESS₂₀
SULPHURISATIONS₂₀
SULPHURIZATIONS₂₉
SUMMERFALLOWING₂₆
SUMPTUOUSNESSES₁₉
SUPERABLENESSES₁₉
SUPERABSORBENTS₂₁
SUPERABUNDANCES₂₂
SUPERABUNDANTLY₂₃
SUPERACTIVITIES₂₂
SUPERADDITIONAL₁₉
SUPERANNUATIONS₁₇
SUPERBUREAUCRAT₂₁
SUPERCALENDERED₂₁
SUPERCARGOSHIPS₂₅
SUPERCOMPUTINGS₂₄
SUPERCONDUCTING₂₃
SUPERCONDUCTION₂₂
SUPERCONDUCTIVE₂₅
SUPERCONDUCTORS₂₂
SUPERCONFIDENCE₂₅
SUPERCONTINENTS₁₉
SUPERCONVENIENT₂₂
SUPEREFFICIENCY₃₀
SUPERELEVATIONS₂₀
SUPERENCIPHERED₂₅
SUPEREROGATIONS₁₈
SUPEREXALTATION₂₄
SUPEREXCELLENCE₂₈
SUPERFICIALISED₂₃
SUPERFICIALISES₂₂
SUPERFICIALIZED₃₂
SUPERFICIALIZES₃₁
SUPERFICIALNESS₂₂
SUPERFINENESSES₂₀
SUPERFLUIDITIES₂₁
SUPERFLUOUSNESS₂₀
SUPERFOETATIONS₂₀
SUPERGOVERNMENT₂₃
SUPERHETERODYNE₂₄
SUPERHUMANISING₂₃
SUPERHUMANITIES₂₂
SUPERHUMANIZING₃₂
SUPERIMPOSITION₂₁
SUPERINCUMBENCE₂₅
SUPERINCUMBENCY₂₈
SUPERINDIVIDUAL₂₂
SUPERINDUCEMENT₂₂
SUPERINDUCTIONS₂₀
SUPERINFECTIONS₂₂
SUPERINTENDENCE₂₀
SUPERINTENDENCY₂₃
SUPERINTENDENTS₁₈
SUPERLATIVENESS₂₀
SUPERMAJORITIES₂₆
SUPERNATIONALLY₂₀
SUPERNATURALISE₁₇
SUPERNATURALISM₁₉
SUPERNATURALIST₁₇
SUPERNATURALIZE₂₆
SUPERNUMERARIES₁₉
SUPERNUTRITIONS₁₇
SUPERORDINATING₁₉
SUPERORDINATION₁₈
SUPERORGANICISM₂₂
SUPERORGANICIST₂₀
SUPEROVULATIONS₂₀
SUPERPARASITISM₂₁
SUPERPATRIOTISM₂₁
SUPERPHENOMENON₂₄
SUPERPHOSPHATES₂₇
SUPERPLASTICITY₂₄
SUPERSATURATING₁₈
SUPERSATURATION₁₇
SUPERSCRIPTIONS₂₁
SUPERSPECIALIST₂₁
SUPERSPECTACLES₂₃
SUPERSPREADINGS₂₁
SUPERSTIMULATED₂₀
SUPERSTIMULATES₁₉
SUPERSTITIOUSLY₂₀
SUPERSTRUCTIONS₁₉
SUPERSTRUCTURAL₁₉
SUPERSTRUCTURES₁₉
SUPERSUBTLETIES₁₉
SUPERSYMMETRIES₂₄
SUPERVISORSHIPS₂₅
SUPPLEMENTARIES₂₁
SUPPLEMENTARILY₂₄
SUPPLEMENTATION₂₁
SUPPORTABLENESS₂₁
SUPPOSITIONALLY₂₂
SUPPOSITIONLESS₁₉
SUPPRESSIBILITY₂₄
SUPPRESSIVENESS₂₂
SUPRALAPSARIANS₁₉
SUPRANATIONALLY₂₀
SURREPTITIOUSLY₂₀
SURVIVABILITIES₂₃
SUSCEPTIBLENESS₂₁
SUSPECTEDNESSES₂₀
SUSPENSEFULNESS₂₀
SUSPERCOLLATING₂₀
TUBERCULISATION₁₉
TUBERCULIZATION₂₈
TUMORGENICITIES₂₀
TURBOGENERATORS₁₈
VULNERABILITIES₂₀

Letters by positionIn 53% of these words the 15th letter is S.

1st letter

S51%
M10%
A9%

3rd letter

P27%
B17%
L12%

5th letter

R32%
I13%
T11%

13th letter

I34%
S14%
O13%

14th letter

E27%
N21%
S12%

15th letter

S53%
Y11%
N8%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses

Score spreadMost of these words score 19–20 in Scrabble; QUIZZIFICATIONS tops the list with 47. Scores before board bonuses.

1515 points: 4 words
17 points: 37 words
1919 points: 86 words
21 points: 73 words
2323 points: 49 words
25 points: 34 words
2727 points: 21 words
29 points: 20 words
3131 points: 12 words
33 points: 4 words
3535 points: 0 words
37 points: 1 words
3939 points: 0 words
41 points: 0 words
4343 points: 0 words
45 points: 0 words
4747 points: 1 words

Word	Scrabble	Words With Friends	Dictionaries
QUIZZIFICATIONS	47	50	Collins only
QUINQUEVALENCES	38	45	Collins only
QUICKSILVERINGS	34	40	Collins only
QUINQUAGENARIAN	34	40	Collins · NWL
SULPHINPYRAZONE	34	38	Collins only
CUSTOMIZABILITY	33	37	NWL only
SULFINPYRAZONES	32	36	All three
SULFAMETHAZINES	32	35	Collins only
SULPHATHIAZOLES	32	34	Collins only
QUODLIBETICALLY	32	37	Collins only
SUPERFICIALIZED	32	36	Collins only
SUPERHUMANIZING	32	38	Collins only

U in the second square is mostly an S word. S supplies 173 of the 342 entries, A supplies 31 and Q 29, and everything else is spread thin. The list contains the joint-highest scoring fifteen-letter word in the game, yet fewer than half the entries reach North American lists.

Where the second-letter U words start

S before U opens 173 of the 342, more than half the list.
QU- adds 29, and quizzifications reaches 47, the joint-highest score of any 15-letter word.
182 entries end in S and a further 36 close on Y.
Only vulnerabilities counts as common English.
143 of the 342 sit in Collins but outside NWL2023.

Which second-letter U word scores highest?

quizzifications at 47, level with the best fifteen-letter play anywhere. Two Qs and two Zs supply the total, and the doubled Z alone is worth 20 points.

quinquevalences follows at 38 on two Qs and a V. quicksilverings and quinquagenarian both reach 34, and sulphinpyrazone matches them with a Y and a Z instead of the Qs.

26 entries finish on -tion, and most of those are the SU- nouns: supplementation, superimposition and suburbanization among them. None of them beats 31 points.

Which games accept these U words?

Fewer than half travel. NWL2023 accepts 198 of the 342, so 143 entries that Collins allows are missing from North American play, and the top two scorers are among them.

quinquagenarian is the exception at the top, sitting in both Collins and NWL2023. Lower down the scores the SU- words hold up better, because most of them are ordinary Latin-derived nouns rather than British spellings.

The last letter is the easy part

Note

182 of the 342 words close on S and 36 on Y, so the final square is predictable. Only vulnerabilities counts as common English, which makes this a tournament list rather than a puzzle list.

Questions people ask

How many 15-letter words have U as the second letter?

342. S before U opens 173 of them, A 31 and Q 29, and the remainder are spread across M, P, F, N and R, so the pattern is really an S-plus-U pattern with a few outliers.

What is the highest-scoring 15-letter word with U second?

quizzifications scores 47 points, level with the best fifteen-letter play on the board. quinquevalences follows at 38 and quicksilverings and quinquagenarian both reach 34, so every leader carries a Q.

Are these U words valid in North American Scrabble?

198 of the 342 are in NWL2023 and the other 143 are Collins-only, including quizzifications, quinquevalences and sulphinpyrazone. Scots and international players get the full list.

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15-letter words with U as the 2nd letter

Best words to play first 342 · most-used first

Highest-scoring words

Where the second-letter U words start

Which second-letter U word scores highest?

Which games accept these U words?

The last letter is the easy part

Questions people ask

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