15-letter words with Y as the 2nd letter

15-letter words with Y as the 2nd letter number 236, led by H-starting forms and topped by two 38-point entries.

236 wordsTop pick SYNCHRONIZATIONHighest score ZYGOPHYLLACEOUS 38

1 of 236 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 236 · most-used first

SYNCHRONIZATION₃₂
SYMPATHETICALLY₃₀
HYPERTHYROIDISM₃₂
SYNCHRONISATION₂₃
CYTOMEGALOVIRUS₂₆
SYNERGISTICALLY₂₄
SYSTEMATIZATION₂₉
LYMPHADENOPATHY₃₄
HYDROXYBUTYRATE₃₇
HYDROGEOLOGICAL₂₆
SYMPATHOMIMETIC₃₁
SYMPTOMATICALLY₂₉
HYPERVENTILATES₂₆
HYPOVENTILATION₂₆
SYNCHRONICITIES₂₅
HYPOPITUITARISM₂₇
HYPERVENTILATED₂₇
TYPOGRAPHICALLY₃₁
HYPOCHONDRIASIS₂₉
HYPERLIPIDAEMIA₂₈
HYDROSTATICALLY₂₇
CYCLOPENTADIENE₂₅
HYPERCOAGULABLE₂₈
HYPNOTHERAPISTS₂₈
HYPOCHONDRIACAL₃₁
HYPERINSULINISM₂₅
HYPERPOLARIZING₃₅
SYLLABIFICATION₂₅
HYDROMETALLURGY₂₈
HYPERCORRECTION₂₇
HYDROXYLAPATITE₃₄
HYDROGEOLOGISTS₂₄
CYBERTERRORISTS₂₂
PYROTECHNICIANS₂₇
GYROSTABILIZERS₃₀
GYNANDROMORPHIC₂₉
SYCOPHANTICALLY₃₀
TYRANNOSAURUSES₁₈
LYMPHOCYTOPENIA₃₂
HYPERSTIMULATED₂₆
PYROTECHNICALLY₃₀
SYMPATHECTOMIES₂₉
LYMPHOGRANULOMA₂₈
LYOPHILIZATIONS₃₂
HYPOMAGNESAEMIA₂₈
CYCLOHEXYLAMINE₃₇
HYPERSALIVATION₂₆
HYPERMETABOLISM₂₉

Showing the top 48 of 236 words. See every valid word

All valid words 236

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

CYANOACETYLENES₂₅
CYANOCOBALAMINE₂₆
CYANOCOBALAMINS₂₆
CYANOETHYLATING₂₇
CYANOETHYLATION₂₆
CYBERSECURITIES₂₄
CYBERSQUATTINGS₃₂
CYBERTERRORISMS₂₄
CYBERTERRORISTS₂₂
CYCLOBARBITONES₂₆
CYCLOHEXYLAMINE₃₇
CYCLOOXYGENASES₃₃
CYCLOPENTADIENE₂₅
CYCLOPENTOLATES₂₄
CYLINDRICALNESS₂₃
CYPROHEPTADINES₂₈
CYTOCHEMISTRIES₂₇
CYTOGENETICALLY₂₆
CYTOGENETICISTS₂₃
CYTOMEGALOVIRUS₂₆
CYTOPATHOLOGIES₂₆
CYTOPATHOLOGIST₂₆
CYTOPHOTOMETRIC₂₉
CYTOPLASMICALLY₂₉
CYTOTAXONOMISTS₂₉
DYSLOGISTICALLY₂₅
DYSMORPHOPHOBIA₃₃
DYSTELEOLOGICAL₂₂
DYSTELEOLOGISTS₂₀
GYNANDROMORPHIC₂₉
GYNECOLOGICALLY₂₇
GYROFREQUENCIES₃₃
GYROSTABILISERS₂₁
GYROSTABILIZERS₃₀
HYDROBIOLOGICAL₂₇
HYDROBIOLOGISTS₂₅
HYDROCELLULOSES₂₄
HYDROCEPHALUSES₂₉
HYDROCORALLINES₂₄
HYDROCORTISONES₂₄
HYDRODYNAMICIST₃₀
HYDROEXTRACTORS₃₁
HYDROGENISATION₂₃
HYDROGENIZATION₃₂
HYDROGEOLOGICAL₂₆
HYDROGEOLOGISTS₂₄
HYDROMECHANICAL₃₁
HYDROMETALLURGY₂₈
HYDROMETRICALLY₂₉
HYDROPATHICALLY₃₂
HYDROSTATICALLY₂₇
HYDROSULPHUROUS₂₇
HYDROTHERAPISTS₂₇
HYDROTROPICALLY₂₉
HYDROXYAPATITES₃₄
HYDROXYBUTYRATE₃₇
HYDROXYLAPATITE₃₄
HYDROXYPROLINES₃₄
HYETOMETROGRAPH₂₉
HYGROMETRICALLY₂₉
HYGROSCOPICALLY₃₁
HYLOZOISTICALLY₃₅
HYPERACTIVITIES₂₈
HYPERADRENALISM₂₆
HYPERAESTHESIAS₂₆
HYPERAGGRESSIVE₂₈
HYPERCALCAEMIAS₂₉
HYPERCATABOLISM₂₉
HYPERCATALECTIC₂₉
HYPERCOAGULABLE₂₈
HYPERCORRECTION₂₇
HYPERCRITICALLY₃₀
HYPERCRITICISED₂₈
HYPERCRITICISES₂₇
HYPERCRITICISMS₂₉
HYPERCRITICIZED₃₇
HYPERCRITICIZES₃₆
HYPEREFFICIENCY₃₆
HYPERENDEMICITY₃₁
HYPEREXCITEMENT₃₄
HYPEREXCRETIONS₃₂
HYPEREXTENSIBLE₃₂
HYPEREXTENSIONS₃₀
HYPERFASTIDIOUS₂₇
HYPERFEMININITY₃₁
HYPERFUNCTIONAL₂₈
HYPERGLYCAEMIAS₃₁
HYPERHIDROSISES₂₇
HYPERHYDROSISES₃₀
HYPERIMMUNISING₂₈
HYPERIMMUNIZING₃₇
HYPERINFLATIONS₂₆
HYPERINSULINISM₂₅
HYPERINVOLUTION₂₆
HYPERLIPIDAEMIA₂₈
HYPERLIPIDEMIAS₂₈
HYPERMETABOLISM₂₉
HYPERMETROPICAL₂₉
HYPERMOBILITIES₂₇
HYPERMODERNISMS₂₈
HYPERMODERNISTS₂₆
HYPERMUTABILITY₃₀
HYPERNATRAEMIAS₂₅
HYPERPARASITISM₂₇
HYPERPHYSICALLY₃₆
HYPERPOLARISING₂₆
HYPERPOLARIZING₃₅
HYPERPRODUCTION₂₈
HYPERPRODUCTIVE₃₁
HYPERREACTIVITY₃₁
HYPERRESPONSIVE₂₈
HYPERSALINITIES₂₃
HYPERSALIVATION₂₆
HYPERSECRETIONS₂₅
HYPERSENSITISED₂₄
HYPERSENSITISES₂₃
HYPERSENSITIZED₃₃
HYPERSENSITIZES₃₂
HYPERSOMNOLENCE₂₇
HYPERSTIMULATED₂₆
HYPERSTIMULATES₂₅
HYPERTHYROIDISM₃₂
HYPERTONICITIES₂₅
HYPERVELOCITIES₂₈
HYPERVENTILATED₂₇
HYPERVENTILATES₂₆
HYPERVIGILANCES₂₉
HYPERVIRULENCES₂₈
HYPNOTHERAPISTS₂₈
HYPNOTISABILITY₂₈
HYPNOTIZABILITY₃₇
HYPOCHONDRIACAL₃₁
HYPOCHONDRIASES₂₉
HYPOCHONDRIASIS₂₉
HYPOCHONDRIASMS₃₁
HYPOCHONDRIASTS₂₉
HYPOCRYSTALLINE₂₈
HYPOMAGNESAEMIA₂₈
HYPOMAGNESEMIAS₂₈
HYPOMENORRHOEAS₂₈
HYPOPHOSPHOROUS₃₃
HYPOPITUITARISM₂₇
HYPOSENSITISING₂₄
HYPOSENSITIZING₃₃
HYPOSTASISATION₂₃
HYPOSTASIZATION₃₂
HYPOSTATISATION₂₃
HYPOSTATIZATION₃₂
HYPOTHYROIDISMS₃₂
HYPOVENTILATION₂₆
HYPSOMETRICALLY₃₀
HYSTERECTOMISED₂₆
HYSTERECTOMISES₂₅
HYSTERECTOMIZED₃₅
HYSTERECTOMIZES₃₄
HYSTRICOMORPHIC₃₂
LYMPHADENITIDES₂₇
LYMPHADENITISES₂₆
LYMPHADENOPATHY₃₄
LYMPHANGIOGRAMS₂₉
LYMPHOADENOMATA₂₈
LYMPHOCYTOPENIA₃₂
LYMPHOCYTOSISES₃₀
LYMPHOGRANULOMA₂₈
LYMPHOSARCOMATA₂₉
LYOPHILISATIONS₂₃
LYOPHILIZATIONS₃₂
LYSOGENISATIONS₁₉
LYSOGENIZATIONS₂₈
MYELENCEPHALONS₂₇
MYLONITISATIONS₂₀
MYLONITIZATIONS₂₉
MYOCARDIOGRAPHS₂₉
MYRISTICIVOROUS₂₅
MYTHOLOGISATION₂₄
MYTHOLOGIZATION₃₃
PYCNODYSOSTOSES₂₆
PYCNODYSOSTOSIS₂₆
PYKNODYSOSTOSES₂₈
PYKNODYSOSTOSIS₂₈
PYRAMIDOLOGISTS₂₄
PYRETOTHERAPIES₂₅
PYRIDOSTIGMINES₂₄
PYROELECTRICITY₂₇
PYROPHOTOGRAPHS₃₁
PYROPHOTOGRAPHY₃₄
PYROPHOTOMETERS₂₇
PYROTECHNICALLY₃₀
PYROTECHNICIANS₂₇
SYCOPHANTICALLY₃₀
SYLLABIFICATION₂₅
SYLLABOGRAPHIES₂₆
SYLLOGISTICALLY₂₄
SYMBOLISTICALLY₂₇
SYMBOLOGRAPHIES₂₈
SYMMETRICALNESS₂₄
SYMMETRISATIONS₂₂
SYMMETRIZATIONS₃₁
SYMMETROPHOBIAS₂₉
SYMPATHECTOMIES₂₉
SYMPATHETICALLY₃₀
SYMPATHOMIMETIC₃₁
SYMPHYSEOTOMIES₃₀
SYMPHYSIOTOMIES₃₀
SYMPTOMATICALLY₂₉
SYMPTOMATOLOGIC₂₇
SYMPTOMOLOGICAL₂₇
SYNAPOSEMATISMS₂₄
SYNARTHRODIALLY₂₅
SYNCHRONICITIES₂₅
SYNCHRONISATION₂₃
SYNCHRONISTICAL₂₅
SYNCHRONIZATION₃₂
SYNCHRONOLOGIES₂₄
SYNCHRONOSCOPES₂₇
SYNCHRONOUSNESS₂₃
SYNCRETISATIONS₂₀
SYNCRETIZATIONS₂₉
SYNECDOCHICALLY₃₁
SYNECOLOGICALLY₂₆
SYNERGISTICALLY₂₄
SYNTAGMATICALLY₂₆
SYNTHESISATIONS₂₁
SYNTHESIZATIONS₃₀
SYNTHETISATIONS₂₁
SYNTHETIZATIONS₃₀
SYSTEMATISATION₂₀
SYSTEMATIZATION₂₉
SYSTEMATOLOGIES₂₁
TYNDALLIMETRIES₂₁
TYPOGRAPHICALLY₃₁
TYRANNOSAURUSES₁₈
TYRANNOUSNESSES₁₈
XYLOTYPOGRAPHIC₃₈
ZYGOBRANCHIATES₃₅
ZYGOPHYLLACEOUS₃₈

Letters by positionIn 52% of these words the 1st letter is H.

1st letter

H52%
S17%
C11%

3rd letter

P39%
D10%
M10%

4th letter

E32%
O20%
R11%

5th letter

R32%
O22%
H10%

13th letter

I32%
S16%
L11%

15th letter

S50%
Y16%
N8%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses

Score spreadMost of these words score 29 in Scrabble; ZYGOPHYLLACEOUS tops the list with 38. Scores before board bonuses.

1818 points: 2 words
19 points: 1 words
2020 points: 4 words
21 points: 5 words
2222 points: 3 words
23 points: 10 words
2424 points: 17 words
25 points: 16 words
2626 points: 26 words
27 points: 25 words
2828 points: 27 words
29 points: 28 words
3030 points: 15 words
31 points: 15 words
3232 points: 14 words
33 points: 7 words
3434 points: 7 words
35 points: 4 words
3636 points: 3 words
37 points: 5 words
3838 points: 2 words

Word	Scrabble	Words With Friends	Dictionaries
ZYGOPHYLLACEOUS	38	41	Collins only
XYLOTYPOGRAPHIC	38	40	Collins only
HYDROXYBUTYRATE	37	35	Collins only
CYCLOHEXYLAMINE	37	40	All three
HYPERIMMUNIZING	37	42	All three
HYPNOTIZABILITY	37	38	All three
HYPERCRITICIZED	37	38	Collins only
HYPERCRITICIZES	36	37	Collins only
HYPERPHYSICALLY	36	36	Collins · NWL
HYPEREFFICIENCY	36	37	NWL only
HYPERPOLARIZING	35	38	All three
ZYGOBRANCHIATES	35	37	Collins only

The pattern is much narrower than many other second-letter searches: 236 words qualify, compared with 1,013 when E sits second. Just one entry meets the frequency cutoff for common words. Long technical forms dominate the examples, from synchronization to hydroxybutyrate, so this is more of a precise rack or pattern match than an everyday vocabulary list.

At a glance: the Y-second pattern

There are 236 tournament-dictionary entries with Y in position two.
Only one entry is classed as common by the frequency measure.
H starts 122 words; S is a distant second with 40.
S ends 119 entries, while Y ends 37.
ZYGOPHYLLACEOUS and XYLOTYPOGRAPHIC share the top score of 38.

Which letters start these Y-second words?

H leads decisively: 122 of the 236 entries begin HY, including hyperthyroidism, hydrogeological, and hypoventilation. S ranks second at 40, with examples such as synchronization and sympathetically. That makes HY the strongest starting pattern to check when your first two letters are fixed.

The endings have their own clear skew. A total of 119 entries finish in S, more than three times the 37 that finish in Y. Synchronicities and hyperventilates illustrate the S-ending group; typographically shows that the pattern also reaches Y.

The opening and closing counts point in different directions: H is the leading first letter, but S is the leading final letter. For a partial rack, use both ends of the pattern to narrow candidates rather than assuming a HY word must finish in S.

How to use 15-letter words with Y as the 2nd letter

For score hunting, start with ZYGOPHYLLACEOUS and XYLOTYPOGRAPHIC, each listed at 38 points. HYDROXYBUTYRATE follows at 37, alongside CYCLOHEXYLAMINE. These are specialist words, but the high-value letters make them stand out from familiar-looking forms such as synchronization.

Dictionary coverage varies: the entries appear in 220 Collins records, 142 NWL2023 records, and 109 ENABLE records, with overlap between those sets. A word accepted in one list may not be accepted in another, so check your game's dictionary before building a play around an obscure term.

Treat this pattern as a filter, not a promise of an easy play. Most entries are uncommon, and only one meets the common-word frequency threshold. For other lengths with Y second, compare the neighboring lists rather than stretching a short rack toward a rare fifteen-letter answer.

Questions people ask

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

There are 236 tournament-dictionary words with Y in the second position. H begins 122 of them, while S begins 40, so HY is the most productive opening to check. The list spans multiple dictionary sources, and some entries are accepted in one game list but not another.

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

ZYGOPHYLLACEOUS and XYLOTYPOGRAPHIC tie for the top score at 38 points. HYDROXYBUTYRATE and CYCLOHEXYLAMINE follow at 37. These unusual entries are score-focused candidates, not everyday vocabulary, so verify acceptance in the dictionary used for your game.

Do many 15-letter words with Y second end in S?

Yes. S is the most frequent final letter, appearing on 119 of the 236 entries; Y is next at 37. That makes an S-ending a strong clue when the word length and second letter are known, though it still leaves a large set of specialist terms to check.

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