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.
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
- 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
All valid words 481
- 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
Highest-scoring words
| Word | Scrabble | Words With Friends | Dictionaries |
|---|---|---|---|
| ZYGAPOPHYSEAL | 36 | 37 | Collins only |
| ZYGAPOPHYSIAL | 36 | 37 | Collins only |
| HYPOPHARYNXES | 36 | 35 | All three |
| ZYGOMORPHISMS | 35 | 37 | Collins only |
| HYPOTHESIZING | 34 | 34 | All three |
| ZYGODACTYLISM | 34 | 36 | Collins only |
| ZYMOTECHNICAL | 34 | 37 | Collins only |
| HYPERIMMUNIZE | 34 | 37 | All three |
| HYPOTHETIZING | 34 | 34 | Collins only |
| GYROFREQUENCY | 34 | 36 | All three |
| SYZYGETICALLY | 34 | 35 | Collins only |
| CYCLOHEXIMIDE | 33 | 35 | All 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
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?
Which Y-second word has the biggest Scrabble total?
Do these words work in every dictionary?
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