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There are 344 eighteen-letter words containing 4I, O, S and T

(page 2)

interoperabilitiesintrainstitutionalintransitivizationintrospectionisticintuitionisticallyionization␣energiesionizing␣radiationsirresponsibilitiesischial␣callositiesisolationisticallyisolithocholic␣acidjoint␣probabilitiesjurisdictionalismskilodisintegrationlazy␣initialisationlexical␣definitionslexicostatisticianLipschitz␣conditionliquidity␣providersliving␣constitutionLivingstone␣daisieslogical␣positivismslogical␣positivistsloitering␣munitionsmachine␣politiciansManitoulin␣Districtmediomeniscotibialmetabolizabilitiesmicrocivilizationsmicrodisseminationmicrodistributionsmicroincinerationsmicroinstabilitiesmicroinvalidationsmicrominiaturisingmicro-optimizationsmicroreversibilitymicroscintillationmicrovariabilitiesmicrovinificationsmicrovisualizationmidtribulationistsmiscapitalisationsmiscapitalizationsmisclassificationsmisdifferentiationmisidentificationsmissclassificationmissionary-linguist missionary␣linguistmissionary␣positionmonodisciplinaritymost␣significant␣bitmultibillionairessmultimillionairessmultiplication␣signmultisensitizationmultitrillionairesnationalitarianismneoimpressionisticnicotine␣stomatitisnitrosalicylic␣acidnondiscriminationsnondiversificationnonexhibitionisticnonidentificationsnonindividualisticnonsociolinguisticobjectionabilitiesomnidimensionalityoral␣availabilitiesosteoinductivitiesoverexcitabilitiesoverinsulinizationoversignificationsoversimplificationpaleobiolinguisticPalestinianisationPalestinianizationphotoperiodicitiesphotosensitivitiespiezoresistivitiespillow␣dictionariespiscirickettsiosispissing␣into␣the␣windplurinationalitiesplurisignificationpolitical␣scientistpoliticohistoricalpolydispersibilitypolydispersivitiespolymerizabilitiespolyvictimizationspositive␣transitionprestidigitatorialPrimitive␣Methodistprimitive␣recursionprior␣probabilitiesprobabilificationspro-circumcisionistpropriosensitivityprovincialisationsprovincializationsprovisionalizationpseudomilitaristicpsychocivilizationqualifying␣positionquasidistributionsquasilinearisationquasilinearizationquasiperiodicitiesquasiprobabilities quasi-probabilitiesradiation␣poisoningradiation␣shieldingradiopacificationsradiosensitisationradiosensitivitiesradiosensitizationradiosterilisationradiosterilizationrechristianizationreciprocitarianismrecriminalizationsredistributionistsrediversificationsreduction␣divisionsregioselectivitiesregiospecificitiesrehabilitationistsreinstitutionalisereinstitutionalizereintensificationsreprimitivizationsresponsibilisationresponsibilizationretransitivizationriding␣associationsright-wing␣socialismscientific␣frontierscientific␣modelingscientific␣notationscientifictionistsscintillation␣vialsself-discriminationself-identificationselfubiquitinationsemiconductivitiessemidiscretisationsemidiscretizationsemiquantification

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