There are 947 fourteen-letter words containing A, E, I, S and U, https://www.bestwordlist.com/c/a/5/14letterwordswithaeisu.htm ABSTEMIOUSNESS ACCENTUALITIES ACTINOMYCETOUS ADIATHERMANOUS ADVENTITIOUSLY AGRIBUSINESSES AGROBUSINESSES AGROINDUSTRIES ALLUSIVENESSES AMATEURISHNESS AMBIDEXTROUSLY AMPHIBIOUSNESS AMPHIBLASTULAE ANACARDIACEOUS ANDRODIOECIOUS ANGUSTIFOLIATE ANTEPENULTIMAS ANTHRAQUINONES ANTIBARBARUSES ANTICONVULSIVE ANTIEVOLUTIONS ANTIFILIBUSTER ANTIGUERRILLAS ANTIHOMOSEXUAL ANTINUCLEARIST ANTIQUATEDNESS ANTIRHEUMATICS ANTISUBVERSION ANTISUBVERSIVE ANTIUNIVERSITY ANTONINIANUSES APPROPINQUATES AQUIFOLIACEOUS ARBORICULTURES ARGUMENTATIONS ARMAMENTARIUMS ARTICULATENESS ASSAULTIVENESS ASSUMABILITIES ATTITUDINISERS ATTITUDINIZERS AUDIOCASSETTES AUDITABILITIES AUSPICIOUSNESS AUTHENTICATORS AUTHENTICITIES AUTOALLOGAMIES AUTOANTIBODIES AUTOEROTICISMS AUTOIMMUNITIES AUTOINFECTIONS AUTOMATICITIES AUTOMOBILITIES AUTOSCHEDIASMS AUTOSCHEDIAZED AUTOSCHEDIAZES AUTOSUGGESTING AUTOSUGGESTION AUTOSUGGESTIVE AVARICIOUSNESS AVASCULARITIES AVERRUNCATIONS AVUNCULARITIES BALSAMINACEOUS BEHAVIOURISTIC BERBERIDACEOUS BILINGUALITIES BINOCULARITIES BIOACCUMULATES BIOAERONAUTICS BLANCHISSEUSES BOARDINGHOUSES BOUGAINVILLEAS BOUILLABAISSES BRAUNSCHWEIGER BRUSHABILITIES BUFFALOBERRIES BUREAUCRATISED BUREAUCRATISES BUREAUCRATISMS BUREAUCRATISTS BUREAUCRATIZES CALAMITOUSNESS CAPPARIDACEOUS CAPRICIOUSNESS CAPTIOUSNESSES CATECHUMENISMS CATECHUMENSHIP CAULIFLOWERETS CAUTERISATIONS CAUTERIZATIONS CAUTIOUSNESSES CENTRIFUGALISE CERULOPLASMINS CHATEAUBRIANDS CHIVALROUSNESS CHURCHIANITIES CHURCHMANLIEST CIRCULARNESSES CIRCUMVALLATES CLAIRAUDIENCES CLEARINGHOUSES CLUBBABILITIES COLLEAGUESHIPS COLLOQUIALNESS COMMENSURATION COMMUNAUTAIRES COMPUTERISABLE CONCEPTUALISED CONCEPTUALISER CONCEPTUALISES CONCEPTUALISMS CONCEPTUALISTS CONCEPTUALIZES CONCUBITANCIES CONNATURALISED CONNATURALISES CONNATURALIZES CONNUBIALITIES CONNUMERATIONS CONQUISTADORES CONSANGUINEOUS CONSERVATORIUM CONSTABULARIES CONSUETUDINARY CONSULTATIVELY CONTAGIOUSNESS CONTEXTUALISED CONTEXTUALISES CONTEXTUALIZES CONTINUALITIES CONTRIBUTARIES COSMECEUTICALS COUNTABILITIES COUNTERACTIONS COUNTERPARTIES COUNTERRALLIES COUNTERSEALING COUNTERSHADING COUNTERSTAINED COUNTERSTATING COUNTERTACTICS COXSACKIEVIRUS CRAUNCHINESSES CREATURELINESS CRUCIVERBALISM CRUCIVERBALIST CRUSHABILITIES CUCURBITACEOUS CUMULATIVENESS CURATIVENESSES CURIETHERAPIES CURVACIOUSNESS CYBERSQUATTING DAUGHTERLINESS DEAMBULATORIES DECAMETHONIUMS DECAPSULATIONS DECARBURATIONS DEDUPLICATIONS DEGLUTINATIONS DEGRANULATIONS DEHUMANISATION DEMISEMIQUAVER DENATURALISING DENTICULATIONS DENUCLEARISING DESPIRITUALISE DESPIRITUALIZE DESQUAMATORIES DESULFURATIONS DESULPHURATING DESULPHURATION DEUTERAGONISTS DEUTEROGAMISTS DIAMANTIFEROUS DIAMONDIFEROUS DIAPHANOUSNESS DIOSCOREACEOUS DIPTEROCARPOUS DISADVENTUROUS DISARTICULATED DISARTICULATES DISCOMBOBULATE DISCONTINUANCE DISCOUNTENANCE DISCOURAGEABLE DISCOURAGEMENT DISDAINFULNESS DISENCUMBRANCE DISEQUILIBRATE DISFEATUREMENT DISILLUMINATED DISILLUMINATES DISNATURALISED DISNATURALISES DISNATURALIZED DISNATURALIZES DISPAUPERISING DISPAUPERIZING DISPURVEYANCES DISPUTABLENESS DISQUALIFIABLE DISREGARDFULLY DISREPUTATIONS DISSUASIVENESS DISTEMPERATURE DISTRIBUTARIES DIURETICALNESS DOCUMENTALISTS DOCUMENTARIANS DOCUMENTARISED DOCUMENTARISES DOCUMENTARISTS DOCUMENTARIZES DOCUMENTATIONS DRACUNCULIASES DRAUGHTINESSES DUNDERHEADISMS ECUMENICALISMS EDACIOUSNESSES EDUCATIONALIST EFFECTUALITIES EMPYREUMATISED EMPYREUMATISES EMPYREUMATIZES EMULSIFICATION ENANTIOSTYLOUS ENCAPSULATIONS ENCULTURATIONS ENDURABILITIES ENTHUSIASTICAL EQUATABILITIES EQUESTRIANISMS EQUILIBRATIONS EQUIPARTITIONS EQUIPONDERATES EQUIPOTENTIALS EQUITABILITIES EQUIVOCALITIES EUDEMONISTICAL EUGEOSYNCLINAL EULOGISTICALLY EUPHAUSIACEANS EUPHORBIACEOUS EUPHUISTICALLY EVANGELIARIUMS EXCLAUSTRATION EXCOMMUNICATES EXHAUSTIBILITY EXHAUSTIVENESS EXHAUSTIVITIES EXPOSTULATIONS EXSANGUINATING EXSANGUINATION EXSANGUINITIES EXTINGUISHABLE EXTINGUISHANTS FACINOROUSNESS FACTIOUSNESSES FACTITIOUSNESS FAITHFULNESSES FALLACIOUSNESS FANCIFULNESSES FASHIOUSNESSES FASTIDIOUSNESS FATIGUABLENESS FERROPRUSSIATE FEUDALISATIONS FEUDALIZATIONS FIGURABILITIES FIGURATIVENESS FLAGELLIFEROUS FLAGITIOUSNESS FLUNITRAZEPAMS FLUOROGRAPHIES FORAMINIFEROUS FOUNDATIONLESS FREQUENTATIONS FREQUENTATIVES FRINGILLACEOUS FUNDAMENTALISM FUNDAMENTALIST GELATINOUSNESS GESTICULATIONS GLANDULIFEROUS GLUCURONIDASES GRACIOUSNESSES GRATUITOUSNESS GREGARIOUSNESS HABITUALNESSES HAEMODILUTIONS HARMONIOUSNESS HEMAGGLUTININS HEMIMETABOLOUS HEXAMETHONIUMS HIPPOPOTAMUSES HOMOSEXUALISMS HOMOSEXUALISTS HOUGHMAGANDIES HOUSEBREAKINGS HOUSECLEANINGS HYALURONIDASES HYPERMASCULINE HYPERSEXUALITY HYPERSTIMULATE HYPERURBANISMS HYPERURICEMIAS IDOLATROUSNESS ILLUSTRATIVELY IMMACULATENESS IMMATURENESSES IMMUTABILITIES IMPUTABILITIES INACCURATENESS INADEQUATENESS INARTICULACIES INAUDIBILITIES INCAUTIOUSNESS INCOMMENSURATE INCULPABLENESS INCURABILITIES INDIVIDUALISED INDIVIDUALISER INDIVIDUALISES INDIVIDUALIZES INDUSTRIALISED INDUSTRIALISES INDUSTRIALIZED INDUSTRIALIZES INEXCUSABILITY INFAMOUSNESSES INFRASTRUCTURE INSTRUMENTALLY INSUBORDINATES INSUPERABILITY INSURABILITIES INSURMOUNTABLE INSURRECTIONAL INTERJACULATES INTERLUNATIONS INTERMENSTRUAL INTEROSCULATED INTEROSCULATES INTERSEXUALISM INTERSEXUALITY INTRACUTANEOUS INTRANSMUTABLE INVALUABLENESS IRREGULARITIES IRRESUSCITABLE IRRESUSCITABLY KERATOMILEUSES KERATOMILEUSIS LANUGINOUSNESS LASCIVIOUSNESS LAUGHWORTHIEST LECYTHIDACEOUS LIEBFRAUMILCHS LIEUTENANTRIES LIEUTENANTSHIP LIGNOSULFONATE LOQUACIOUSNESS LUTEINISATIONS LUTEINIZATIONS MACRONUTRIENTS MAGNILOQUENCES MALPIGHIACEOUS MEANINGFULNESS MEGALOSAURIANS MEGASPORANGIUM MENDACIOUSNESS MERCURIALISING MERCURIALITIES METABISULPHITE METACOMPUTINGS METALINGUISTIC METROSEXUALITY MICROCEPHALOUS MIRACULOUSNESS MISADJUSTMENTS MISADVENTURERS MISADVENTUROUS MISARTICULATED MISARTICULATES MISEVALUATIONS MISGOVERNAUNCE MISMEASUREMENT MISPERSUASIONS MISUNDERSTANDS MOCKUMENTARIES MODULABILITIES MOLECULARITIES MONUMENTALISED MONUMENTALISES MONUMENTALIZES MORDACIOUSNESS MOULDABILITIES MOUNTEBANKINGS MOUNTEBANKISMS MOUSETRAPPINGS MULLIGATAWNIES MULTICUSPIDATE MULTIFILAMENTS MULTIMEGAWATTS MULTIPARTICLES MULTITERMINALS MULTIVALENCIES MUNDIFICATIVES MUNICIPALITIES MUTAGENICITIES NEURAMINIDASES NEURASTHENIACS NEUROANATOMIES NEUROANATOMIST NEUROCHEMICALS NEUTRALISATION NOCTURNALITIES NONACQUISITIVE NONEQUIVALENTS NONFILAMENTOUS NONJUSTICIABLE NONREGULATIONS NONSPECULATIVE NONVOLUNTARIES NUCLEARISATION NUGATORINESSES NUMERABILITIES NUTRACEUTICALS NUTRICEUTICALS NYCTAGINACEOUS OLEAGINOUSNESS ONCORNAVIRUSES ORBICULARITIES OSMOREGULATION OSTENTATIOUSLY OUTFANGTHIEVES OUTLANDISHNESS OUTMANIPULATES OUTRECUIDANCES OVERCAUTIOUSLY OVEREDUCATIONS OVERENTHUSIASM OVERFASTIDIOUS OVERINSURANCES OVERMATURITIES OVERPERSUADING OVERPERSUASION OVERSATURATING OVERSATURATION OVERSTIMULATED OVERSTIMULATES OVERVALUATIONS OXIDOREDUCTASE PANLEUCOPENIAS PANLEUKOPENIAS PANSEXUALITIES PAPILIONACEOUS PARAINFLUENZAS PARTICULARISED PARTICULARISER PARTICULARISES PARTICULARIZES PARTICULARNESS PASTEURISATION PASTEURIZATION PAUPERISATIONS PAUPERIZATIONS PEDUNCULATIONS PERAMBULATIONS PERIMENOPAUSAL PERIMENOPAUSES PERLUSTRATIONS PERPENDICULARS PERPETUALITIES PERSCRUTATIONS PERSUADABILITY PERSUASIBILITY PERSUASIVENESS PERTINACIOUSLY PERTURBATORIES PHARMACEUTISTS PHILADELPHUSES PICAYUNISHNESS PICORNAVIRUSES PLASTOQUINONES PLATITUDINISED PLATITUDINISER PLATITUDINISES PLATITUDINIZES PLAUSIBILITIES PLEASURABILITY PLESIOSAURIANS PLEURAPOPHYSIS PNEUMATICITIES PNEUMATOLOGIES PNEUMATOLOGIST PNEUMOBACILLUS PNEUMODYNAMICS PNEUMOGASTRICS POCOCURANTEISM POLEMONIACEOUS POLYBUTADIENES POLYOMAVIRUSES PREACQUISITION PRECARIOUSNESS PREDACIOUSNESS PREFIGURATIONS PREJUDICATIONS PREMANDIBULARS PREOCCUPANCIES PREOCCUPATIONS PRESSURISATION PRESSURIZATION PROCELEUSMATIC PRONUCLEARISTS PROTUBERANCIES PROTUBERATIONS PRUDENTIALISMS PRUDENTIALISTS PSEUDAESTHESIA PSEUDARTHROSIS PSEUDEPIGRAPHA PSEUDEPIGRAPHS PSEUDEPIGRAPHY PSEUDOCLASSICS PSEUDOGRAPHIES PUGNACIOUSNESS PULVERISATIONS PULVERIZATIONS PUNDITOCRACIES PUPILABILITIES QUADRIGEMINOUS QUADRILATERALS QUADRILITERALS QUADRISECTIONS QUADRISYLLABLE QUADRIVALENCES QUADRUMVIRATES QUADRUPLICATES QUAESTIONARIES QUALIFICATIVES QUALMISHNESSES QUANTIVALENCES QUARTODECIMANS QUASIPARTICLES QUATERNIONISTS QUATREFEUILLES QUATTROCENTISM QUATTROCENTIST QUESTIONNAIRES QUINDECENNIALS QUINQUAGESIMAL QUINQUECOSTATE QUINQUEFARIOUS QUINTESSENTIAL QUINTUPLICATES QUIZZICALITIES RADIOLUCENCIES RADIOSURGERIES REACQUISITIONS REATTRIBUTIONS RECALCULATIONS RECIRCULATIONS RECOMPUTATIONS RECULTIVATIONS RECURVIROSTRAL REDISCOUNTABLE REDUPLICATIONS REFORMULATIONS REFUTABILITIES REGULARISATION REGURGITATIONS REINOCULATIONS RELUBRICATIONS REPOPULARISING REPUBLICANISED REPUBLICANISES REPUBLICANISMS REPUBLICANIZES REPUBLICATIONS REPUDIATIONIST REPUNCTUATIONS REPUTABILITIES REPUTATIONLESS REQUISITIONARY RESPIRITUALISE RESPIRITUALIZE RESTIMULATIONS RESURRECTIONAL RESUSCITATIONS REUNIFICATIONS REUTILISATIONS REUTILIZATIONS RHEUMATOLOGIES RHEUMATOLOGIST RHIZOCEPHALOUS RUGGEDISATIONS RUGGEDIZATIONS SACCHARIFEROUS SACRILEGIOUSLY SALUBRIOUSNESS SALUTARINESSES SANGUINARINESS SANGUINENESSES SANSCULOTTERIE SANSCULOTTIDES SATURABILITIES SAUROPTERYGIAN SAXIFRAGACEOUS SCAPULIMANCIES SCAPULOMANCIES SCEUOPHYLACIUM SCRATCHBUILDER SCRUTABILITIES SECULARISATION SECULARIZATION SECURITISATION SECURITIZATION SEMIAUTOMATICS SEMIAUTONOMOUS SEMICIRCULARLY SENSUALISATION SENSUALIZATION SEPTUAGENARIAN SEPTUAGENARIES SEQUACIOUSNESS SEQUESTRATIONS SESQUIPEDALIAN SESQUIPEDALITY SEXTUPLICATING SEXUALISATIONS SEXUALIZATIONS SIMAROUBACEOUS SIMULTANEITIES SIMULTANEOUSES SIMULTANEOUSLY SINANTHROPUSES SINGULARNESSES SLANTENDICULAR SLUGGARDLINESS SOLIDUNGULATES SPACIOUSNESSES SPECTACULARITY SPERMATOGONIUM SPIRITUALISERS SPIRITUALITIES SPIRITUALIZERS SQUANDERMANIAS SQUARISHNESSES SQUATTOCRACIES SQUIREARCHICAL STERCULIACEOUS STEREOACUITIES STERNUTATORIES STIGMATIFEROUS STRUCTURALISED STRUCTURALISES STRUCTURALIZED STRUCTURALIZES SUBAGGREGATION SUBALTERNATION SUBALTERNITIES SUBATMOSPHERIC SUBCATEGORISED SUBCATEGORISES SUBCATEGORIZED SUBCATEGORIZES SUBCONTINENTAL SUBCONTRARIETY SUBDEACONSHIPS SUBGENERATIONS SUBGENERICALLY SUBINFEUDATING SUBINFEUDATION SUBINFEUDATORY SUBJECTABILITY SUBLIEUTENANCY SUBLIEUTENANTS SUBLITERATURES SUBMAXILLARIES SUBMETACENTRIC SUBMINIATURISE SUBMINIATURIZE SUBNORMALITIES SUBORDINANCIES SUBPROLETARIAT SUBSECRETARIES SUBSIDIARINESS SUBSIDIARITIES SUBSPECIALISED SUBSPECIALISES SUBSPECIALISTS SUBSPECIALIZED SUBSPECIALIZES SUBSPECIALTIES SUBSTANTIALISE SUBSTANTIALIZE SUBSTANTIATIVE SUBSTANTIVISED SUBSTANTIVISES SUBSTANTIVIZED SUBSTANTIVIZES SUBTERRESTRIAL SUBTHERAPEUTIC SUCCESSIONALLY SUFFRAGETTISMS SUITABLENESSES SULFACETAMIDES SULFADIMIDINES SULFAMETHAZINE SULFANILAMIDES SULFATHIAZOLES SULFINPYRAZONE SULPHACETAMIDE SULPHADIAZINES SULPHANILAMIDE SULPHATHIAZOLE SUMMERSAULTING SUOVETAURILIAS SUPERABILITIES SUPERABOUNDING SUPERACHIEVERS SUPERADDITIONS SUPERAMBITIOUS SUPERANNUATING SUPERANNUATION SUPERCARGOSHIP SUPERCELESTIAL SUPERCILIARIES SUPERCRIMINALS SUPERDAINTIEST SUPERDIPLOMATS SUPERDOMINANTS SUPERELEVATING SUPERELEVATION SUPEREROGATING SUPEREROGATION SUPEREROGATIVE SUPERESSENTIAL SUPERFETATIONS SUPERFICIALISE SUPERFICIALITY SUPERFICIALIZE SUPERFOETATION SUPERGRAVITIES SUPERHARDENING SUPERHUMANISED SUPERHUMANISES SUPERHUMANIZED SUPERHUMANIZES SUPERIMPORTANT SUPERIMPOSABLE SUPERINSULATED SUPERLOYALISTS SUPERMASCULINE SUPERMILITANTS SUPERNATATIONS SUPERNORMALITY SUPERORDINATED SUPERORDINATES SUPERORGANISMS SUPEROVULATING SUPEROVULATION SUPERPARTICLES SUPERPATRIOTIC SUPERQUALITIES SUPERREGIONALS SUPERSEXUALITY SUPERSONICALLY SUPERSTIMULATE SURPASSINGNESS SURROGATESHIPS TELEJOURNALISM TELEJOURNALIST TETRAFLUORIDES THAUMATOGENIES THAUMATOLOGIES TRAITOROUSNESS TRANQUILLISERS TRANQUILLITIES TRANQUILLIZERS TRANQUILNESSES TRANSEXUALISMS TRANSLUCENCIES TRANSSEXUALISM TRANSSEXUALITY TRAUMATOLOGIES TREASURERSHIPS TREPIDATIOUSLY TROUBLEMAKINGS TRUSTABILITIES TUBERCULATIONS ULTIMATENESSES ULTRACIVILISED ULTRAEXCLUSIVE ULTRAEXPENSIVE ULTRAFILTRATES ULTRAMASCULINE ULTRAMODERNISM ULTRAMODERNIST ULTRAPRECISION ULTRAREALISTIC ULTRARELIGIOUS ULTRASENSITIVE ULTRAVIOLENCES ULTRAWIDEBANDS UNACCLIMATISED UNACCOMPLISHED UNAGGRESSIVELY UNAMIABILITIES UNANESTHETISED UNANESTHETIZED UNAPPETISINGLY UNAPPREHENSIVE UNAPPROPRIATES UNASPIRINGNESS UNASSUMINGNESS UNATHLETICISMS UNAVAILINGNESS UNBIASEDNESSES UNCANDIDNESSES UNCARINGNESSES UNCHANGINGNESS UNCHRISTIANISE UNCHRISTIANIZE UNCLASSIFIABLE UNCONSCIONABLE UNCONSECRATING UNCONSOLIDATED UNCRYSTALLISED UNCRYSTALLIZED UNDENIABLENESS UNDERACHIEVERS UNDERCARRIAGES UNDERDIAGNOSED UNDERDIAGNOSES UNDERDIAGNOSIS UNDERDRAINAGES UNDEREMPHASISE UNDEREMPHASIZE UNDERESTIMATED UNDERESTIMATES UNDERPAINTINGS UNDERREACTIONS UNDERSTAFFINGS UNDERSTANDINGS UNDERSTRAPPING UNDERTENANCIES UNDESIRABILITY UNDESPAIRINGLY UNDIMINISHABLE UNDISCOVERABLE UNDISCOVERABLY UNDISTRACTEDLY UNDOCTRINAIRES UNDOMESTICATED UNDOMESTICATES UNEMBARRASSING UNENTHUSIASTIC UNFADINGNESSES UNFAITHFULNESS UNFASHIONABLES UNGAINLINESSES UNGRACIOUSNESS UNHESITATINGLY UNHYSTERICALLY UNICAMERALISMS UNICAMERALISTS UNIDIMENSIONAL UNILATERALISMS UNILATERALISTS UNINHABITABLES UNIPERSONALITY UNISEXUALITIES UNIVERSALISING UNIVERSALISTIC UNIVERSALITIES UNIVERSALIZING UNIVERSITARIAN UNMANNERLINESS UNMATERIALISED UNMENTIONABLES UNMETAPHYSICAL UNOSTENTATIOUS UNPERSUASIVELY UNPLEASANTRIES UNPOETICALNESS UNPOPULARITIES UNPRAISEWORTHY UNPREDICTABLES UNPROFESSIONAL UNQUESTIONABLE UNQUESTIONABLY UNRECOGNISABLE UNRECOGNISABLY UNREGENERACIES UNRELIABLENESS UNRESTRAINABLE UNRESTRAINEDLY UNROMANTICISED UNSALABILITIES UNSAVORINESSES UNSECTARIANISM UNSENSUALISING UNSENSUALIZING UNSOCIABLENESS UNSOPHISTICATE UNSPECIFICALLY UNSPIRITUALISE UNSPIRITUALIZE UNSPLINTERABLE UNSTANDARDISED UNSTANDARDIZED UNSTEADINESSES UNSUITABLENESS UNSYSTEMATICAL UNSYSTEMATISED UNSYSTEMATIZED UNTENABILITIES UNTHRIFTIHEADS UNTHRIFTYHEADS UNTOWARDLINESS UNVANQUISHABLE UPROARIOUSNESS UPSTANDINGNESS USUFRUCTUARIES UTEROGESTATION UTILITARIANISE VALERIANACEOUS VALETUDINARIES VERMICULATIONS VERNACULARISED VERNACULARISES VERNACULARISMS VERNACULARISTS VERNACULARIZES VESICULARITIES VILLAINOUSNESS VILLEGGIATURAS VIVIPAROUSNESS WATERCOLOURIST WEARIFULNESSES WHATABOUTERIES XIPHIHUMERALIS ZINGIBERACEOUS ZINZIBERACEOUS