13-letter words with Y as the 2nd letter

481 13-letter words with Y as the 2nd letter cluster on Greek roots, and H opens 207 of them.

481 wordsTop pick DYSFUNCTIONALHighest score ZYGAPOPHYSEAL 36

3 of 481 are everyday words (1%). Mostly rare words: great for Scrabble, tough for daily puzzles.

E is the most common 2nd letter in 13-letter words (2,456 words); Z is the rarest (1). The bar under each letter shows the size of its list.

Best words to play first 481 · most-used first

  • DYSFUNCTIONAL22
  • CYBERSECURITY25
  • HYDROELECTRIC24
  • HYPERACTIVITY29
  • HYBRIDIZATION31
  • TYPOGRAPHICAL26
  • CYBERBULLYING26
  • HYDROCHLORIDE26
  • TYRANNOSAURUS16
  • MYCOBACTERIUM26
  • SYMMETRICALLY25
  • GYNECOLOGICAL22
  • CYANOBACTERIA22
  • SYNCHRONICITY26
  • GYNAECOLOGIST20
  • SYNCHRONIZING31
  • GYNECOLOGISTS20
  • HYDRAULICALLY25
  • HYDROGENATION21
  • HYDROCEPHALUS27
  • HYPERGLYCEMIA29
  • HYPOCHONDRIAC29
  • LYMPHOBLASTIC27
  • SYNTHETICALLY24
  • HYDRODYNAMICS28
  • HYPOTHETICALS26
  • SYNCHRONOUSLY24
  • SYNTACTICALLY23
  • PYROPHOSPHATE28
  • HYBRIDISATION22
  • HYPOGLYCAEMIA29
  • HYDROXYLATION30
  • HYPERHIDROSIS25
  • HYPOTHESIZING34
  • HYPERMOBILITY28
  • MYSTIFICATION23
  • HYALURONIDASE20
  • HYPERCALCEMIA27
  • CYCLOADDITION22
  • CYANOACRYLATE23
  • CYBERSTALKING25
  • HYPERCRITICAL25
  • SYNCHRONISING22
  • MYELOFIBROSIS23
  • HYPERVELOCITY29
  • MYCOBACTERIAL24
  • HYPEREXTENDED30
  • OYSTERCATCHER23

Showing the top 48 of 481 words. See every valid word

All valid words 481

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

  • AYUNTAMIENTOS18
  • CYANOACRYLATE23
  • CYANOBACTERIA22
  • CYANOETHYLATE24
  • CYANOGENAMIDE22
  • CYBERATHLETES23
  • CYBERATTACKER26
  • CYBERBULLYING26
  • CYBERCITIZENS31
  • CYBERCRIMINAL24
  • CYBERCULTURES22
  • CYBERDEFENSES24
  • CYBERNETICIAN22
  • CYBERNETICIST22
  • CYBERSAFETIES23
  • CYBERSECURITY25
  • CYBERSQUATTER29
  • CYBERSTALKING25
  • CYBERWARFARES26
  • CYCLANDELATES21
  • CYCLICALITIES22
  • CYCLOADDITION22
  • CYCLODEXTRINS28
  • CYCLODIALYSES24
  • CYCLODIALYSIS24
  • CYCLOHEXANONE30
  • CYCLOHEXIMIDE33
  • CYCLOOLEFINIC25
  • CYCLOPAEDISTS23
  • CYCLOPARAFFIN28
  • CYCLOPENTANES22
  • CYCLOPROPANES24
  • CYCLOSPERMOUS24
  • CYCLOSPORINES22
  • CYCLOTHYMIACS30
  • CYLINDRACEOUS21
  • CYLINDRICALLY24
  • CYNICALNESSES20
  • CYSTICERCOIDS23
  • CYSTICERCOSES22
  • CYSTICERCOSIS22
  • CYSTOGRAPHIES24
  • CYTOCHALASINS23
  • CYTOCHEMISTRY28
  • CYTODIAGNOSES20
  • CYTODIAGNOSIS20
  • CYTOGENETICAL21
  • CYTOLOGICALLY24
  • CYTOMEMBRANES24
  • CYTOPATHOLOGY27
  • CYTOSKELETONS22
  • CYTOTAXONOMIC29
  • DYNAMOGENESES20
  • DYNAMOGENESIS20
  • DYNAMOMETRIES21
  • DYOTHELETICAL22
  • DYOTHELETISMS22
  • DYOTHELITICAL22
  • DYSAESTHESIAS20
  • DYSFUNCTIONAL22
  • DYSMENORRHEAL22
  • DYSMENORRHEAS22
  • DYSMENORRHEIC24
  • DYSMENORRHOEA22
  • DYSPEPTICALLY26
  • EYEWITNESSING20
  • GYMNASTICALLY24
  • GYMNOSOPHISTS24
  • GYMNOSPERMIES23
  • GYMNOSPERMOUS23
  • GYNAECOCRATIC23
  • GYNAECOLOGIES20
  • GYNAECOLOGIST20
  • GYNAECOMASTIA21
  • GYNANDROMORPH25
  • GYNECOCRACIES23
  • GYNECOLOGICAL22
  • GYNECOLOGISTS20
  • GYNECOMASTIAS21
  • GYNODIOECIOUS20
  • GYNODIOECISMS22
  • GYNOMONOECISM23
  • GYROCOMPASSES23
  • GYROFREQUENCY34
  • GYROMAGNETISM22
  • HYALINISATION19
  • HYALINIZATION28
  • HYALURONIDASE20
  • HYBRIDISATION22
  • HYBRIDIZATION31
  • HYDNOCARPATES24
  • HYDRARGYRISMS26
  • HYDRARTHROSES23
  • HYDRARTHROSIS23
  • HYDRASTININES20
  • HYDRAULICALLY25
  • HYDRAULICKING27
  • HYDROBROMIDES25
  • HYDROCEPHALIC29
  • HYDROCEPHALUS27
  • HYDROCHLORIDE26
  • HYDROCOLLOIDS23
  • HYDROCRACKERS28
  • HYDROCRACKING29
  • HYDRODYNAMICS28
  • HYDROELECTRIC24
  • HYDROFORMINGS26
  • HYDROGENATING22
  • HYDROGENATION21
  • HYDROGENATORS21
  • HYDROGENISING22
  • HYDROGENIZING31
  • HYDROGRAPHERS26
  • HYDROGRAPHIES26
  • HYDROKINETICS26
  • HYDROLYSATION23
  • HYDROLYZATION32
  • HYDROMAGNETIC25
  • HYDROMASSAGES23
  • HYDROMEDUSANS23
  • HYDROMEDUSOID24
  • HYDROMETRICAL24
  • HYDROPATHICAL27
  • HYDROPATHISTS25
  • HYDROPEROXIDE30
  • HYDROPHILITES25
  • HYDROQUINONES29
  • HYDROSCOPICAL26
  • HYDROSEEDINGS22
  • HYDROSOMATOUS22
  • HYDROSTATICAL22
  • HYDROSULPHATE25
  • HYDROSULPHIDE26
  • HYDROSULPHITE25
  • HYDROTHERAPIC27
  • HYDROTHORACES25
  • HYDROTHORACIC27
  • HYDROTHORAXES30
  • HYDROTROPISMS24
  • HYDROXYLAMINE32
  • HYDROXYLATING31
  • HYDROXYLATION30
  • HYDROZINCITES31
  • HYETOGRAPHIES25
  • HYGROMETRICAL24
  • HYGROSCOPICAL26
  • HYLOMORPHISMS28
  • HYMENOPTERANS23
  • HYMENOPTERONS23
  • HYMENOPTEROUS23
  • HYMNOGRAPHERS27
  • HYMNOGRAPHIES27
  • HYPAESTHESIAS24
  • HYPERACTIVELY29
  • HYPERACTIVITY29
  • HYPERACUITIES23
  • HYPERALGESIAS22
  • HYPERAROUSALS21
  • HYPERBOLISING24
  • HYPERBOLIZING33
  • HYPERBOLOIDAL24
  • HYPERCALCEMIA27
  • HYPERCALCEMIC29
  • HYPERCAUTIOUS23
  • HYPERCHARGING28
  • HYPERCRITICAL25
  • HYPERESTHESIA24
  • HYPERESTHETIC26
  • HYPEREUTECTIC25
  • HYPEREXTENDED30
  • HYPERFEMININE26
  • HYPERFUNCTION26
  • HYPERGLYCEMIA29
  • HYPERGLYCEMIC31
  • HYPERHIDROSES25
  • HYPERHIDROSIS25
  • HYPERHYDROSES28
  • HYPERHYDROSIS28
  • HYPERIMMUNISE25
  • HYPERIMMUNIZE34
  • HYPERINFLATED25
  • HYPERINTENSER21
  • HYPERKINESIAS25
  • HYPERLIPEMIAS25
  • HYPERLORDOSES22
  • HYPERLORDOSIS22
  • HYPERMETRICAL25
  • HYPERMETROPIA25
  • HYPERMETROPIC27
  • HYPERMOBILITY28
  • HYPERPARASITE23
  • HYPERPHRYGIAN30
  • HYPERPHYSICAL31
  • HYPERPLOIDIES24
  • HYPERPOLARISE23
  • HYPERPOLARIZE32
  • HYPERPRODUCER26
  • HYPERPROSEXIA30
  • HYPERPYREXIAL33
  • HYPERPYREXIAS33
  • HYPERRATIONAL21
  • HYPERREACTIVE26
  • HYPERREACTORS23
  • HYPERREALISMS23
  • HYPERREALISTS21
  • HYPERROMANTIC25
  • HYPERSALINITY24
  • HYPERSARCOMAS25
  • HYPERSARCOSES23
  • HYPERSARCOSIS23
  • HYPERSTHENIAS24
  • HYPERSTHENITE24
  • HYPERSTRESSES21
  • HYPERSURFACES26
  • HYPERTENSIONS21
  • HYPERTENSIVES24
  • HYPERTHERMIAS26
  • HYPERTHERMIES26
  • HYPERTHYMESIA29
  • HYPERTHYROIDS28
  • HYPERTONICITY26
  • HYPERTROPHIED27
  • HYPERTROPHIES26
  • HYPERTROPHOUS26
  • HYPERURBANISM25
  • HYPERURICEMIA25
  • HYPERVARIABLE26
  • HYPERVELOCITY29
  • HYPERVIGILANT25
  • HYPERVIRULENT24
  • HYPHENISATION24
  • HYPHENIZATION33
  • HYPNOANALYSES24
  • HYPNOANALYSIS24
  • HYPNOANALYTIC26
  • HYPNOTISATION21
  • HYPNOTIZATION30
  • HYPOACIDITIES24
  • HYPOCALCEMIAS27
  • HYPOCHLORITES26
  • HYPOCHONDRIAC29
  • HYPOCHONDRIAS27
  • HYPOCHONDRIUM29
  • HYPOCYCLOIDAL29
  • HYPOEUTECTOID24
  • HYPOGLYCAEMIA29
  • HYPOGLYCAEMIC31
  • HYPOGLYCEMIAS29
  • HYPOGLYCEMICS31
  • HYPOGNATHISMS27
  • HYPOMENORRHEA26
  • HYPONATRAEMIA23
  • HYPONATRAEMIC25
  • HYPONATREMIAS23
  • HYPOPHARYNGES30
  • HYPOPHARYNXES36
  • HYPOPHOSPHATE31
  • HYPOPHOSPHITE31
  • HYPOPITUITARY26
  • HYPOSENSITISE21
  • HYPOSENSITIZE30
  • HYPOSPADIASES24
  • HYPOSTASISING22
  • HYPOSTASIZING31
  • HYPOSTATISING22
  • HYPOSTATIZING31
  • HYPOSULPHATES26
  • HYPOSULPHITES26
  • HYPOSULPHURIC28
  • HYPOTHECATING27
  • HYPOTHECATION26
  • HYPOTHECATORS26
  • HYPOTHESISERS24
  • HYPOTHESISING25
  • HYPOTHESIZERS33
  • HYPOTHESIZING34
  • HYPOTHETICALS26
  • HYPOTHETISING25
  • HYPOTHETIZING34
  • HYPOTROCHOIDS27
  • HYPOXANTHINES31
  • HYPSOGRAPHIES27
  • HYPSOMETRICAL25
  • HYPSOMETRISTS23
  • HYPSOPHYLLARY32
  • HYSTERANTHOUS22
  • HYSTEROGENIES20
  • HYSTEROMANIAS21
  • HYSTEROSCOPES23
  • HYSTEROSCOPIC25
  • HYSTEROTOMIES21
  • HYSTRICOMORPH28
  • LYCANTHROPIES23
  • LYCANTHROPIST23
  • LYMPHADENITIS24
  • LYMPHATICALLY28
  • LYMPHOADENOMA26
  • LYMPHOBLASTIC27
  • LYMPHOCYTOSES28
  • LYMPHOCYTOSIS28
  • LYMPHOCYTOTIC30
  • LYMPHOGRAPHIC31
  • LYMPHOMATOSES25
  • LYMPHOMATOSIS25
  • LYMPHOPOIESES25
  • LYMPHOPOIESIS25
  • LYMPHOPOIETIC27
  • LYMPHOSARCOMA27
  • LYMPHOTROPHIC30
  • LYRICALNESSES18
  • LYSOLECITHINS21
  • MYCETOPHAGOUS26
  • MYCOBACTERIAL24
  • MYCOBACTERIUM26
  • MYCOLOGICALLY26
  • MYCOPLASMOSES24
  • MYCOPLASMOSIS24
  • MYCOTOXICOSES29
  • MYCOTOXICOSIS29
  • MYELENCEPHALA25
  • MYELOFIBROSES23
  • MYELOFIBROSIS23
  • MYELOFIBROTIC25
  • MYELOGRAPHIES24
  • MYOCARDITIDES22
  • MYOCARDITISES21
  • MYOELECTRICAL22
  • MYRINGOSCOPES23
  • MYRINGOTOMIES21
  • MYRMECOLOGIES23
  • MYRMECOLOGIST23
  • MYRMECOPHILES27
  • MYSTIFICATION23
  • MYTHICISATION23
  • MYTHICIZATION32
  • MYTHOGRAPHERS27
  • MYTHOGRAPHIES27
  • MYTHOLOGISERS22
  • MYTHOLOGISING23
  • MYTHOLOGIZERS31
  • MYTHOLOGIZING32
  • MYTHOPOETICAL25
  • MYXOEDEMATOUS28
  • MYXOMATOSISES27
  • NYCHTHEMERONS26
  • NYCTITROPISMS22
  • NYMPHAEACEOUS25
  • NYMPHOLEPSIES25
  • NYMPHOMANIACS27
  • OYSTERCATCHER23
  • PYCNIDIOSPORE23
  • PYCNOCONIDIUM25
  • PYELOGRAPHIES24
  • PYLORECTOMIES22
  • PYRAMIDICALLY26
  • PYRETOTHERAPY26
  • PYRHELIOMETER23
  • PYRIDOXAMINES28
  • PYRIMETHAMINE25
  • PYRITHIAMINES23
  • PYROBALLOGIES21
  • PYROCATECHINS25
  • PYROCATECHOLS25
  • PYROELECTRICS22
  • PYROLYTICALLY26
  • PYROMORPHITES25
  • PYROPHOSPHATE28
  • PYROPHYLLITES26
  • PYROSULPHATES23
  • PYROSULPHURIC25
  • PYROTARTRATES18
  • PYROTECHNICAL25
  • PYROTECHNISTS23
  • PYTHONOMORPHS28
  • SYBARITICALLY23
  • SYCOPHANTICAL25
  • SYCOPHANTISED24
  • SYCOPHANTISES23
  • SYCOPHANTISMS25
  • SYCOPHANTIZED33
  • SYCOPHANTIZES32
  • SYCOPHANTRIES23
  • SYLLABICATING21
  • SYLLABICATION20
  • SYLLABICITIES20
  • SYLLABOGRAPHY27
  • SYLLEPTICALLY23
  • SYLLOGISATION17
  • SYLLOGISTICAL19
  • SYLLOGIZATION26
  • SYLVICULTURAL21
  • SYLVICULTURES21
  • SYMBIOTICALLY25
  • SYMBOLISATION20
  • SYMBOLISTICAL22
  • SYMBOLIZATION29
  • SYMBOLOGRAPHY29
  • SYMBOLOLOGIES21
  • SYMMETALLISMS22
  • SYMMETRICALLY25
  • SYMPATHECTOMY30
  • SYMPATHETICAL25
  • SYMPATHOLYTIC28
  • SYMPATRICALLY25
  • SYMPHONICALLY28
  • SYMPHONIOUSLY26
  • SYMPHYSEOTOMY31
  • SYMPHYSIOTOMY31
  • SYMPIESOMETER22
  • SYMPTOMATICAL24
  • SYMPTOMATISED23
  • SYMPTOMATISES22
  • SYMPTOMATIZED32
  • SYMPTOMATIZES31
  • SYNADELPHITES22
  • SYNAESTHESIAS19
  • SYNALLAGMATIC21
  • SYNAPOMORPHIC27
  • SYNAPOSEMATIC22
  • SYNARTHRODIAL20
  • SYNCHONDROSES22
  • SYNCHONDROSIS22
  • SYNCHROMESHES26
  • SYNCHRONICITY26
  • SYNCHRONISERS21
  • SYNCHRONISING22
  • SYNCHRONISTIC23
  • SYNCHRONIZERS30
  • SYNCHRONIZING31
  • SYNCHRONOLOGY25
  • SYNCHRONOUSLY24
  • SYNCHROSCOPES25
  • SYNDACTYLISMS24
  • SYNDICALISTIC21
  • SYNECDOCHICAL26
  • SYNECDOCHISMS26
  • SYNECOLOGICAL21
  • SYNECOLOGISTS19
  • SYNECPHONESES23
  • SYNECPHONESIS23
  • SYNOECOLOGIES19
  • SYNTACTICALLY23
  • SYNTACTICIANS20
  • SYNTAGMATITES19
  • SYNTHETICALLY24
  • SYNTHETICISMS23
  • SYPHILISATION21
  • SYPHILIZATION30
  • SYPHILOLOGIES22
  • SYPHILOLOGIST22
  • SYPHILOPHOBIA28
  • SYRINGOMYELIA22
  • SYRINGOMYELIC24
  • SYRINGOTOMIES19
  • SYSTEMATICIAN20
  • SYSTEMATISERS18
  • SYSTEMATISING19
  • SYSTEMATIZERS27
  • SYSTEMATIZING28
  • SYSTEMATOLOGY22
  • SYSTEMISATION18
  • SYSTEMIZATION27
  • SYZYGETICALLY34
  • TYNDALLIMETRY22
  • TYPEFOUNDINGS23
  • TYPICALNESSES20
  • TYPIFICATIONS23
  • TYPOGRAPHICAL26
  • TYPOGRAPHISTS24
  • TYPOLOGICALLY24
  • TYRANNOSAURID17
  • TYRANNOSAURUS16
  • TYRANNOUSNESS16
  • XYLOBALSAMUMS29
  • XYLOGRAPHICAL31
  • ZYGAPOPHYSEAL36
  • ZYGAPOPHYSIAL36
  • ZYGODACTYLISM34
  • ZYGODACTYLOUS32
  • ZYGOMORPHISMS35
  • ZYMOTECHNICAL34
Letters by positionIn 47% of these words the 13th letter is S.
1st letter
  1. H43%
  2. S19%
  3. C11%
3rd letter
  1. P30%
  2. D11%
  3. M10%
4th letter
  1. E22%
  2. O21%
  3. R12%
11th letter
  1. I34%
  2. S16%
  3. T8%
12th letter
  1. E25%
  2. I15%
  3. A12%
13th letter
  1. S47%
  2. Y9%
  3. L8%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses
Score spreadMost of these words score 23 in Scrabble; ZYGAPOPHYSEAL tops the list with 36. Scores before board bonuses.
  1. 1616 points: 2 words
  2. 17 points: 2 words
  3. 1818 points: 5 words
  4. 19 points: 8 words
  5. 2020 points: 21 words
  6. 21 points: 31 words
  7. 2222 points: 54 words
  8. 23 points: 61 words
  9. 2424 points: 51 words
  10. 25 points: 57 words
  11. 2626 points: 50 words
  12. 27 points: 29 words
  13. 2828 points: 25 words
  14. 29 points: 21 words
  15. 3030 points: 16 words
  16. 31 points: 21 words
  17. 3232 points: 9 words
  18. 33 points: 7 words
  19. 3434 points: 7 words
  20. 35 points: 1 words
  21. 3636 points: 3 words
WordScrabbleWords With FriendsDictionaries
ZYGAPOPHYSEAL3637Collins only
ZYGAPOPHYSIAL3637Collins only
HYPOPHARYNXES3635All three
ZYGOMORPHISMS3537Collins only
HYPOTHESIZING3434All three
ZYGODACTYLISM3436Collins only
ZYMOTECHNICAL3437Collins only
HYPERIMMUNIZE3437All three
HYPOTHETIZING3434Collins only
GYROFREQUENCY3436All three
SYZYGETICALLY3435Collins only
CYCLOHEXIMIDE3335All three

H, S and C begin 347 of the 481, and H alone accounts for 207 through the HY- cluster: hydroelectric, hyperactivity, hybridization and hydrochloride. S closes 226 words and 43 end in Y. Only 3 entries count as everyday English, and 365 carry a dictionary definition.

Thirteen-letter Y-second words at a glance

  • H begins 207 of the 481 Y-second words.
  • S and C follow with 89 and 51 openings.
  • Words closing on S number 226; Y closes 43 and L 39.
  • A word averages 25 points, and zygapophyseal tops the table on 36.
  • Collins holds 450 of them, NWL2023 273 and ENABLE 227.

HY- supplies 207 of the 481 words

Water, medicine and machines run through this block: hydroelectric, hydrochloride, hydrogenation and hydrocephalus all open with HY-.

The hyper- spelling adds hyperactivity and hyperglycemia, while hypo- brings hypochondriac and hypothetizing. S brings 89 words through SY- shapes such as symmetrically and synchronicity.

C supplies 51 CY- words, among them cybersecurity, cyanobacteria and cyberbullying. Those three openings alone cover more than two-thirds of the list.

After C the pattern drops away fast. M supplies 33 words and P 24, and every other opening trails well behind them.

The Z-heavy roots set the top scores

Note

Zyga- words set the ceiling: zygapophyseal and zygapophysial both score 36, hypopharynxes matches them, and zygomorphisms follows at 35. That Z-heavy tail lifts the group average to 25 a word.

Almost none of these are everyday words

Three of the 481 appear in everyday English: cybersecurity, hydroelectric and dysfunctional. That works out at roughly one in 160, a thinner everyday share than most lists at this length.

The other 478 are research vocabulary. Mycobacterium, lymphoblastic, gynecologists and cyanobacteria all have dictionary entries, but 116 words in the set do not, which shows how specialised the middle of the alphabet gets. Even the defined ones rarely turn up outside a textbook or a lab report.

Questions people ask

How many thirteen-letter words carry Y in slot two?
The count is 481. H begins 207 of them and S 89, with C third at 51. Collins holds 450 of the entries and NWL2023 273, so 208 words sit outside the North American list.
Which Y-second word has the biggest Scrabble total?
Zygapophyseal and zygapophysial tie on 36 points, level with hypopharynxes. Zygomorphisms follows at 35 and hypothesizing at 34, so the whole top group leans on the letter Z.
Do these words work in every dictionary?
No. Collins carries 450 of the 481 and NWL2023 only 273, so 208 entries are missing from North American games. The medical and Greek-derived spellings are the ones most often absent.

Keep going