15-letter words with I as the 2nd letter

562 15-letter words with I as the 2nd letter split between DI-, MI-, BI- and CI- openings, and D alone brings 207.

562 wordsTop pick DIFFERENTIATIONHighest score ZIGZAGGEDNESSES 37

4 of 562 are everyday words (1%). Mostly rare words: great for Scrabble, tough for daily puzzles.

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.

Best words to play first 562 · most-used first

  • DIFFERENTIATION22
  • DISSATISFACTION21
  • DIVERSIFICATION24
  • DISAPPOINTMENTS22
  • DIFFERENTIATING23
  • DISENFRANCHISED25
  • CINEMATOGRAPHER25
  • DISTINGUISHABLE22
  • DISILLUSIONMENT18
  • MISREPRESENTING20
  • DISCONTINUATION18
  • BIOAVAILABILITY25
  • MICROPROCESSORS23
  • DISAPPOINTINGLY24
  • BIBLIOGRAPHICAL27
  • MICROBIOLOGICAL24
  • MICROCONTROLLER21
  • DISTINCTIVENESS21
  • CIRCUMFERENTIAL24
  • DISADVANTAGEOUS21
  • DISORGANIZATION26
  • MISAPPROPRIATED24
  • MISINTERPRETING20
  • MINIATURIZATION26
  • DISCONTINUITIES18
  • MICROSCOPICALLY28
  • DISRESPECTFULLY26
  • CINEMATOGRAPHIC27
  • BIOLUMINESCENCE23
  • SIMPLIFICATIONS24
  • DISPASSIONATELY21
  • KINDERGARTENERS21
  • DISCOMBOBULATED25
  • MICROMANAGEMENT24
  • MISCALCULATIONS21
  • DIPHENHYDRAMINE30
  • MISAPPREHENSION24
  • MICROBIOLOGISTS22
  • MICROELECTRONIC23
  • MICROSTRUCTURES21
  • DISCONCERTINGLY24
  • MICROSTRUCTURAL21
  • VIDEOCONFERENCE26
  • CIRCUMNAVIGATED26
  • DISTRIBUTORSHIP23
  • DISCRIMINATIONS20
  • BIOGEOCHEMISTRY28
  • BIOACCUMULATION23

Showing the top 48 of 562 words. See every valid word

All valid words 562

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

  • AIRWORTHINESSES21
  • BIBLIOGRAPHICAL27
  • BIBLIOPHILISTIC26
  • BIBLIOTHECARIES24
  • BIBLIOTHERAPIES24
  • BIDIALECTALISMS22
  • BIDIRECTIONALLY23
  • BIGHEADEDNESSES23
  • BIOACCUMULATING24
  • BIOACCUMULATION23
  • BIOACCUMULATIVE26
  • BIOACOUSTICIANS21
  • BIOASTRONAUTICS19
  • BIOAVAILABILITY25
  • BIOCONTAINMENTS21
  • BIODEGRADATIONS20
  • BIODESTRUCTIBLE22
  • BIOECOLOGICALLY25
  • BIOENGINEERINGS19
  • BIOEQUIVALENCES31
  • BIOGEOCHEMICALS27
  • BIOGEOCHEMISTRY28
  • BIOGEOGRAPHICAL26
  • BIOLUMINESCENCE23
  • BIOMATHEMATICAL26
  • BIOMECHANICALLY29
  • BIOPROSPECTINGS24
  • BIOPSYCHOLOGIES28
  • BIOPSYCHOLOGIST28
  • BIOREGIONALISMS20
  • BIOREGIONALISTS18
  • BIOREMEDIATIONS20
  • BIORHYTHMICALLY33
  • BIOSTATISTICIAN19
  • BIOSTRATIGRAPHY26
  • BIOSYSTEMATISTS22
  • BIOTECHNOLOGIES23
  • BIOTECHNOLOGIST23
  • BIPARTISANSHIPS24
  • BIPOLARISATIONS19
  • BIPOLARIZATIONS28
  • BISPHOSPHONATES27
  • BISYMMETRICALLY29
  • BITTERSWEETNESS20
  • BITUMINISATIONS19
  • BITUMINIZATIONS28
  • CINCHONISATIONS22
  • CINCHONIZATIONS31
  • CINEANGIOGRAPHY27
  • CINEMATOGRAPHED26
  • CINEMATOGRAPHER25
  • CINEMATOGRAPHIC27
  • CINEMICROGRAPHY30
  • CIRCULARISATION19
  • CIRCULARIZATION28
  • CIRCUMAMBAGIOUS26
  • CIRCUMAMBIENCES27
  • CIRCUMAMBIENTLY28
  • CIRCUMAMBULATED26
  • CIRCUMAMBULATES25
  • CIRCUMAMBULATOR25
  • CIRCUMFERENTIAL24
  • CIRCUMFERENTORS24
  • CIRCUMFORANEOUS24
  • CIRCUMGYRATIONS25
  • CIRCUMINCESSION23
  • CIRCUMINSESSION21
  • CIRCUMJACENCIES32
  • CIRCUMLOCUTIONS23
  • CIRCUMNAVIGABLE27
  • CIRCUMNAVIGATED26
  • CIRCUMNAVIGATES25
  • CIRCUMNAVIGATOR25
  • CIRCUMNUTATIONS21
  • CIRCUMPOSITIONS23
  • CIRCUMSCRIBABLE27
  • CIRCUMSCRIPTION25
  • CIRCUMSCRIPTIVE28
  • CIRCUMSPECTIONS25
  • CIRCUMSPECTNESS25
  • CIRCUMSTANTIALS21
  • CIRCUMSTANTIATE21
  • CIRCUMVALLATING25
  • CIRCUMVALLATION24
  • CIRCUMVOLUTIONS24
  • CITRICULTURISTS19
  • CIVILIANISATION20
  • CIVILIANIZATION29
  • DIAGONALISATION17
  • DIAGONALIZATION26
  • DIAHELIOTROPISM23
  • DIALECTOLOGICAL21
  • DIALECTOLOGISTS19
  • DIALYSABILITIES21
  • DIALYZABILITIES30
  • DIAMAGNETICALLY24
  • DIAPHOTOTROPIES23
  • DIAPHOTOTROPISM25
  • DIAPHRAGMATITIS24
  • DIASTEREOISOMER18
  • DIASTROPHICALLY26
  • DICHLOROBENZENE32
  • DICHLOROETHANES24
  • DICHLOROMETHANE26
  • DICHOTOMISATION23
  • DICHOTOMIZATION32
  • DICHOTOMOUSNESS23
  • DICHROMATICISMS27
  • DICTATORIALNESS18
  • DIFFERENTIATING23
  • DIFFERENTIATION22
  • DIFFERENTIATORS22
  • DIFFERENTNESSES22
  • DIFFICULTNESSES24
  • DIFFRACTIVENESS27
  • DIFFRACTOMETERS26
  • DIFFRACTOMETRIC28
  • DIFFRANGIBILITY28
  • DIFFUSIBILITIES24
  • DIFFUSIVENESSES25
  • DIGESTIBILITIES19
  • DIGITALISATIONS17
  • DIGITALIZATIONS26
  • DIGNIFIEDNESSES21
  • DILATABLENESSES18
  • DIMENHYDRINATES25
  • DIMETHYLANILINE24
  • DINITROBENZENES27
  • DINOFLAGELLATES20
  • DIOECIOUSNESSES18
  • DIPHENHYDRAMINE30
  • DIPHENYLENIMINE26
  • DIPHENYLKETONES28
  • DIPLOMATOLOGIES21
  • DISACCHARIDASES24
  • DISACCOMMODATED26
  • DISACCOMMODATES25
  • DISACKNOWLEDGED28
  • DISACKNOWLEDGES27
  • DISADVANTAGEOUS21
  • DISAFFECTEDNESS25
  • DISAFFECTIONATE24
  • DISAFFILIATIONS22
  • DISAFFIRMATIONS24
  • DISAFFORESTMENT24
  • DISAGGREGATIONS19
  • DISAGREEABILITY22
  • DISAMBIGUATIONS21
  • DISAPPLICATIONS22
  • DISAPPOINTINGLY24
  • DISAPPOINTMENTS22
  • DISAPPROBATIONS22
  • DISAPPROPRIATED23
  • DISAPPROPRIATES22
  • DISARRANGEMENTS19
  • DISARTICULATING19
  • DISARTICULATION18
  • DISARTICULATORS18
  • DISASSIMILATING19
  • DISASSIMILATION18
  • DISASSIMILATIVE21
  • DISASSOCIATIONS18
  • DISATTRIBUTIONS18
  • DISCAPACITATING23
  • DISCIPLINARIANS20
  • DISCIPLINARIUMS22
  • DISCOLOURATIONS18
  • DISCOMBOBERATED25
  • DISCOMBOBERATES24
  • DISCOMBOBULATED25
  • DISCOMBOBULATES24
  • DISCOMMENDATION23
  • DISCOMMISSIONED23
  • DISCOMMODIOUSLY26
  • DISCONCERTINGLY24
  • DISCONCERTMENTS22
  • DISCONFIRMATION23
  • DISCONFORMITIES23
  • DISCONSOLATIONS18
  • DISCONTENTMENTS20
  • DISCONTIGUITIES19
  • DISCONTINUANCES20
  • DISCONTINUATION18
  • DISCONTINUITIES18
  • DISCONTINUOUSLY21
  • DISCOUNTENANCED21
  • DISCOUNTENANCES20
  • DISCOURAGEMENTS21
  • DISCRETIONARILY21
  • DISCRIMINATIONS20
  • DISEMBARKATIONS24
  • DISEMBARRASSING21
  • DISEMBELLISHING24
  • DISEMBOGUEMENTS23
  • DISEMBOWELMENTS25
  • DISEMPOWERMENTS25
  • DISENCHANTINGLY25
  • DISENCHANTMENTS23
  • DISENCUMBERMENT24
  • DISENCUMBRANCES24
  • DISENFRANCHISED25
  • DISENFRANCHISES24
  • DISENTANGLEMENT19
  • DISENTHRALLMENT21
  • DISENTHRALMENTS21
  • DISENTRAINMENTS18
  • DISENTRANCEMENT20
  • DISEQUILIBRATED28
  • DISEQUILIBRATES27
  • DISEQUILIBRIUMS29
  • DISESTABLISHING22
  • DISFEATUREMENTS21
  • DISFORESTATIONS19
  • DISFURNISHMENTS24
  • DISGRACEFULNESS22
  • DISGRUNTLEMENTS19
  • DISGUISEDNESSES18
  • DISGUSTEDNESSES18
  • DISHABILITATING22
  • DISHABILITATION21
  • DISHARMONIOUSLY24
  • DISHEARTENINGLY23
  • DISHEARTENMENTS21
  • DISILLUMINATING19
  • DISILLUSIONISED17
  • DISILLUSIONISES16
  • DISILLUSIONIZED26
  • DISILLUSIONIZES25
  • DISILLUSIONMENT18
  • DISIMPRISONMENT22
  • DISINCARCERATED21
  • DISINCARCERATES20
  • DISINCLINATIONS18
  • DISINCORPORATED21
  • DISINCORPORATES20
  • DISINFESTATIONS19
  • DISINFLATIONARY22
  • DISINFORMATIONS21
  • DISINHERITANCES21
  • DISINTEGRATIONS17
  • DISINTERESTEDLY20
  • DISINTERMEDIATE19
  • DISINTOXICATING26
  • DISINTOXICATION25
  • DISINVESTITURES19
  • DISINVIGORATING21
  • DISNATURALISING17
  • DISNATURALIZING26
  • DISOBLIGINGNESS20
  • DISORGANISATION17
  • DISORGANIZATION26
  • DISORIENTATIONS16
  • DISPARATENESSES18
  • DISPASSIONATELY21
  • DISPENSABLENESS20
  • DISPERSEDNESSES19
  • DISPLEASINGNESS19
  • DISPLENISHMENTS23
  • DISPOSABILITIES20
  • DISPROPORTIONAL20
  • DISPROPORTIONED21
  • DISPUTABILITIES20
  • DISPUTATIVENESS21
  • DISQUISITIONARY28
  • DISREPUTABILITY23
  • DISRESPECTFULLY26
  • DISSATISFACTION21
  • DISSATISFACTORY24
  • DISSERTATIONIST16
  • DISSIMILARITIES18
  • DISSOCIABLENESS20
  • DISSOLUBILITIES18
  • DISSOLUTENESSES16
  • DISSOLUTIONISMS18
  • DISSOLUTIONISTS16
  • DISSOLVABLENESS21
  • DISTASTEFULNESS19
  • DISTEMPERATURES20
  • DISTINCTIVENESS21
  • DISTINGUISHABLE22
  • DISTINGUISHABLY25
  • DISTINGUISHMENT22
  • DISTORTEDNESSES17
  • DISTRACTIBILITY23
  • DISTRESSFULNESS19
  • DISTRIBUTORSHIP23
  • DISTRUSTFULNESS19
  • DITHIOCARBAMATE25
  • DITHYRAMBICALLY31
  • DIVERSIFICATION24
  • DIVERTIBILITIES21
  • DIVERTISSEMENTS21
  • DIVISIBLENESSES21
  • DIVISIONALISING20
  • DIVISIONALIZING29
  • FIBRINOPEPTIDES25
  • FIBROCARTILAGES23
  • FICTIONISATIONS20
  • FICTIONIZATIONS29
  • FIDEICOMMISSARY28
  • FILTERABILITIES20
  • FINGERPAINTINGS22
  • FINGERPRINTINGS22
  • FISSIPAROUSNESS20
  • HIERACOSPHINGES26
  • HIERACOSPHINXES32
  • HIERARCHIZATION32
  • HIEROGRAMMATIST23
  • HILARIOUSNESSES18
  • HISTOCHEMICALLY30
  • HISTOCOMPATIBLE26
  • HISTOPATHOLOGIC26
  • HISTOPHYSIOLOGY30
  • HISTORICIZATION29
  • HISTORIOGRAPHER24
  • HISTORIOGRAPHIC26
  • KINDERGARTENERS21
  • KINDHEARTEDNESS24
  • KINEMATOGRAPHER27
  • KINEMATOGRAPHIC29
  • KINESITHERAPIES24
  • KINESTHETICALLY27
  • KINETHEODOLITES23
  • KINETONUCLEUSES21
  • KITSCHIFICATION29
  • KITTENISHNESSES22
  • LIBERALISATIONS17
  • LIBERALIZATIONS26
  • LIBERTARIANISMS19
  • LICENTIATESHIPS22
  • LICKERISHNESSES24
  • LIEUTENANTSHIPS20
  • LIGHTFASTNESSES22
  • LIGHTSOMENESSES21
  • LIGNOCELLULOSES18
  • LIGNOCELLULOSIC20
  • LIGNOSULFONATES19
  • LIMITABLENESSES19
  • LIMITLESSNESSES17
  • LIONHEARTEDNESS19
  • LIPODYSTROPHIES26
  • LIPOGRAMMATISMS24
  • LIPOGRAMMATISTS22
  • LIPOPHILICITIES24
  • LIQUORISHNESSES27
  • LISSENCEPHALIES22
  • LISSENCEPHALOUS22
  • LISTENABILITIES17
  • LITERALISATIONS15
  • LITERALIZATIONS24
  • LITHESOMENESSES20
  • LITHOCHROMATICS27
  • LITHONTHRYPTICS28
  • LITHONTRIPTISTS20
  • LITIGIOUSNESSES16
  • LITURGIOLOGISTS17
  • MICROAEROPHILES24
  • MICROAEROPHILIC26
  • MICROAGGRESSION21
  • MICROAGGRESSIVE24
  • MICROAGGRESSORS21
  • MICROANALYTICAL24
  • MICROANATOMICAL23
  • MICROBAROGRAPHS27
  • MICROBIOLOGICAL24
  • MICROBIOLOGISTS22
  • MICROCOMPONENTS25
  • MICROCOMPUTINGS26
  • MICROCONTROLLER21
  • MICROCOSMICALLY28
  • MICRODETECTIONS22
  • MICRODISSECTION22
  • MICROEARTHQUAKE35
  • MICROECONOMISTS23
  • MICROELECTRODES22
  • MICROELECTRONIC23
  • MICROENTERPRISE21
  • MICROEVOLUTIONS22
  • MICROGAMETOCYTE27
  • MICROINJECTIONS28
  • MICROMANAGEMENT24
  • MICROMARKETINGS26
  • MICROMETEORITES21
  • MICROMETEORITIC23
  • MICROMETEOROIDS22
  • MICROMICROCURIE25
  • MICROMICROFARAD27
  • MICROMILLIMETRE23
  • MICROMOBILITIES23
  • MICROMORPHOLOGY30
  • MICROPEGMATITES24
  • MICROPEGMATITIC26
  • MICROPHOTOGRAPH30
  • MICROPHOTOMETER26
  • MICROPHOTOMETRY29
  • MICROPHYSICALLY32
  • MICROPOROSITIES21
  • MICROPROCESSING24
  • MICROPROCESSORS23
  • MICROPROJECTION30
  • MICROPROJECTORS30
  • MICROPUBLISHERS26
  • MICROPUBLISHING27
  • MICROPULSATIONS21
  • MICROPYROMETERS26
  • MICRORADIOGRAPH26
  • MICROSATELLITES19
  • MICROSCOPICALLY28
  • MICROSEISMICITY26
  • MICROSPORANGIUM24
  • MICROSPOROCYTES26
  • MICROSPOROPHYLL29
  • MICROSTRUCTURAL21
  • MICROSTRUCTURES21
  • MICROTARGETINGS21
  • MICROTECHNIQUES33
  • MICROTECHNOLOGY28
  • MICROTONALITIES19
  • MICROTUNNELLING20
  • MIDDELMANNETJIE28
  • MILITARISATIONS17
  • MILITARIZATIONS26
  • MILLENARIANISMS19
  • MILLIONAIRESSES17
  • MINERALISATIONS17
  • MINERALIZATIONS26
  • MINERALOGICALLY23
  • MINIATURISATION17
  • MINIATURIZATION26
  • MINISTERIALISTS17
  • MIRTHLESSNESSES20
  • MISACCEPTATIONS23
  • MISAPPLICATIONS23
  • MISAPPRECIATING24
  • MISAPPRECIATION23
  • MISAPPRECIATIVE26
  • MISAPPREHENDING26
  • MISAPPREHENSION24
  • MISAPPREHENSIVE27
  • MISAPPROPRIATED24
  • MISAPPROPRIATES23
  • MISARRANGEMENTS20
  • MISARTICULATING20
  • MISARTICULATION19
  • MISATTRIBUTIONS19
  • MISBECOMINGNESS24
  • MISCALCULATIONS21
  • MISCEGENATIONAL20
  • MISCELLANARIANS19
  • MISCELLANEOUSLY22
  • MISCHARACTERISE24
  • MISCHARACTERIZE33
  • MISCHIEVOUSNESS25
  • MISCOMPREHENDED28
  • MISCOMPUTATIONS23
  • MISCONJECTURING29
  • MISCONSTRUCTING22
  • MISCONSTRUCTION21
  • MISCONTENTMENTS21
  • MISCORRELATIONS19
  • MISDESCRIPTIONS22
  • MISDEVELOPMENTS25
  • MISDISTRIBUTION20
  • MISERABLENESSES19
  • MISGOVERNAUNCES23
  • MISGUIDEDNESSES20
  • MISIMPROVEMENTS26
  • MISINFORMATIONS22
  • MISINSTRUCTIONS19
  • MISINTELLIGENCE20
  • MISINTERPRETERS19
  • MISINTERPRETING20
  • MISMEASUREMENTS21
  • MISORIENTATIONS17
  • MISPROPORTIONED22
  • MISPUNCTUATIONS21
  • MISRECOLLECTING22
  • MISRECOLLECTION21
  • MISREGISTRATION18
  • MISREPRESENTERS19
  • MISREPRESENTING20
  • MISSHAPENNESSES22
  • MISSIONISATIONS17
  • MISSIONIZATIONS26
  • MISTRANSCRIBING22
  • MISTRANSLATIONS17
  • MISTRUSTFULNESS20
  • MISUTILISATIONS17
  • MISUTILIZATIONS26
  • MISVOCALISATION22
  • MISVOCALIZATION31
  • NIGGARDLINESSES18
  • NIGHTMARISHNESS24
  • NINCOMPOOPERIES23
  • NITROCELLULOSES17
  • NITROCHLOROFORM25
  • NITROGENISATION16
  • NITROGENIZATION25
  • NITROGLYCERINES21
  • NITWITTEDNESSES19
  • PICTORIALNESSES19
  • PICTURESQUENESS28
  • PIEZOMAGNETISMS31
  • PIEZOMETRICALLY33
  • PIGHEADEDNESSES23
  • PINEALECTOMISED22
  • PINEALECTOMISES21
  • PINEALECTOMIZED31
  • PINEALECTOMIZES30
  • PINHEADEDNESSES22
  • PINOCYTOTICALLY27
  • PISCICULTURALLY24
  • PISCICULTURISTS21
  • PITHECANTHROPUS27
  • RIBONUCLEOSIDES20
  • RIBONUCLEOTIDES20
  • RIGHTABLENESSES21
  • RIGHTEOUSNESSES19
  • RIGIDIFICATIONS22
  • RITUALISTICALLY20
  • RIVERWORTHINESS24
  • SIDESPLITTINGLY22
  • SIGHTLESSNESSES19
  • SIGMOIDECTOMIES23
  • SIGMOIDOSCOPIES23
  • SIGNIFICATIVELY27
  • SILICIFICATIONS22
  • SILVERSMITHINGS24
  • SILVICULTURALLY23
  • SILVICULTURISTS20
  • SIMPLICIDENTATE22
  • SIMPLIFICATIONS24
  • SINGULARISATION16
  • SINGULARIZATION25
  • SINISTRODEXTRAL23
  • SINTERABILITIES17
  • TIGHTFISTEDNESS23
  • TINTINNABULATED18
  • TINTINNABULATES17
  • VIBROFLOTATIONS23
  • VICARIOUSNESSES20
  • VICISSITUDINARY24
  • VICISSITUDINOUS21
  • VIDEOCONFERENCE26
  • VIDEOTELEPHONES24
  • VINDICABILITIES23
  • VINDICATIVENESS24
  • VIOLINISTICALLY23
  • VISCOELASTICITY25
  • VISCOSIMETRICAL24
  • VISIONARINESSES18
  • VITILITIGATIONS19
  • VITRIOLISATIONS18
  • VITRIOLIZATIONS27
  • VIVACIOUSNESSES23
  • VIVISECTIONALLY26
  • VIVISECTIONISTS23
  • WITHDRAWNNESSES25
  • YIELDABLENESSES21
  • ZIGZAGGEDNESSES37
  • ZINCKIFICATIONS35
  • ZINJANTHROPUSES36
Letters by positionIn 57% of these words the 15th letter is S.
1st letter
  1. D37%
  2. M24%
  3. B8%
3rd letter
  1. S41%
  2. C14%
  3. N7%
5th letter
  1. O26%
  2. E11%
  3. R9%
12th letter
  1. I26%
  2. T18%
  3. A11%
14th letter
  1. E29%
  2. N21%
  3. T9%
15th letter
  1. S57%
  2. Y10%
  3. N8%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses
Score spreadMost of these words score 21 in Scrabble; ZIGZAGGEDNESSES tops the list with 37. Scores before board bonuses.
  1. 1515 points: 1 words
  2. 16 points: 8 words
  3. 1717 points: 23 words
  4. 18 points: 30 words
  5. 1919 points: 46 words
  6. 20 points: 46 words
  7. 2121 points: 63 words
  8. 22 points: 51 words
  9. 2323 points: 56 words
  10. 24 points: 62 words
  11. 2525 points: 37 words
  12. 26 points: 48 words
  13. 2727 points: 26 words
  14. 28 points: 23 words
  15. 2929 points: 12 words
  16. 30 points: 10 words
  17. 3131 points: 6 words
  18. 32 points: 6 words
  19. 3333 points: 4 words
  20. 34 points: 0 words
  21. 3535 points: 2 words
  22. 36 points: 1 words
  23. 3737 points: 1 words
WordScrabbleWords With FriendsDictionaries
ZIGZAGGEDNESSES3741Collins only
ZINJANTHROPUSES3641Collins only
MICROEARTHQUAKE3537All three
ZINCKIFICATIONS3539Collins only
MISCHARACTERIZE3335All three
BIORHYTHMICALLY3334Collins only
MICROTECHNIQUES3337All three
PIEZOMETRICALLY3337Collins only
DICHLOROBENZENE3236All three
DICHOTOMIZATION3234All three
MICROPHYSICALLY3235All three
HIERACOSPHINXES3233Collins only

DIS- covers 153 words, MIC- 63 and MIS- 60, so the three prefixes account for 276 of the 562. D opens 207 words, M 135, B 45 and C 42, and S closes 320. Only 4 entries count as everyday English, and 446 of the 562 carry a dictionary definition.

Fifteen-letter I-second words at a glance

  • 562 fifteen-letter words put I in second place.
  • D opens 207 of them, M 135, B 45 and C 42.
  • DIS- covers 153 words, MIC- 63 and MIS- 60.
  • S closes 320 and Y 57.
  • Only 4 count as everyday words.
  • Zigzaggednesses leads the scores at 37.

DIS-, MIS- and MIC- do the heavy lifting

Negation and scale explain most of this list. DIS- covers 153 words, from dissatisfaction and disenfranchised to disillusionment and discontinuation.

MIS- adds 60, with misrepresenting, misappropriated and misinterpreting, while MIC- brings 63 through microprocessors, microcontroller and microbiological.

BI- and CI- complete the picture at 45 and 42 words, among them bioavailability and cinematographer. D and M between them open 342 words, leaving the other 220 to the rest of the alphabet. The L- group adds 30 words and V- 18, so no opening after the top four gets close.

Four everyday words in 562

Differentiation, dissatisfaction, diversification and disappointments are the only common entries. That works out at roughly one in 140, so most of the list belongs to research and industry vocabulary.

Even so, Collins holds 535 of the 562 and 446 have a dictionary definition, which makes the set easier to verify than most rare-pattern lists. The remaining 116 words have no entry at all.

The Z words at the top of the table

Tip

Zigzaggednesses tops the scores at 37 points, with zinjanthropuses on 36 and microearthquake and zinckifications on 35. A Q or a Z carries every one of those four, and none of them is a word you can spell by ear.

Questions people ask

How many 15-letter words have I as the 2nd letter?
There are 562. D opens 207 of them and M 135, so those two letters cover 342 words, and 320 entries end in S. Collins carries 535 of the list and NWL2023 336.
Which 15-letter I-second word scores highest?
Zigzaggednesses tops the scores at 37 points. Zinjanthropuses follows on 36, with microearthquake and zinckifications on 35, and each of the four carries a Q or a Z.
What are the commonest 15-letter words with I second?
Differentiation, dissatisfaction, diversification and disappointments are the only ones in everyday use, about one in 140. The rest are technical terms, and 446 of the 562 still have dictionary entries.

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