There are 859 fourteen-letter words containing A, D, I, S and T, https://www.bestwordlist.com/c/a/5/14letterwordswithadist.htm ABDOMINOPLASTY ABSENTMINDEDLY ACCIDENTALISMS ACCIDENTALNESS ACCOMMODATIONS ACCREDITATIONS ACETAZOLAMIDES ACIDIFICATIONS ADAPTABILITIES ADAPTATIONISTS ADAPTIVENESSES ADDICTEDNESSES ADDRESSABILITY ADIATHERMANOUS ADMINISTRATING ADMINISTRATION ADMINISTRATIVE ADMINISTRATORS ADMINISTRATRIX ADMIRABILITIES ADOPTABILITIES ADSCITITIOUSLY ADVENTITIOUSLY ADVERTISEMENTS ADVERTIZEMENTS ADVISABILITIES AERODYNAMICIST AGGRANDISEMENT AGRIFOODSTUFFS AGROINDUSTRIAL AGROINDUSTRIES ALDOSTERONISMS ALLOANTIBODIES AMBIDEXTROUSLY AMINOPEPTIDASE ANAGRAMMATISED ANDROCENTRISMS ANISODACTYLOUS ANTAPHRODISIAC ANTIDEPRESSANT ANTIDEPRESSION ANTIDESICCANTS ANTIDIARRHEALS ANTIFEDERALIST ANTIMODERNISTS ANTIQUATEDNESS ANTIRADICALISM ANTISEPTICISED ANTISEPTICIZED ANTISPASMODICS APERIODICITIES APOTHEGMATISED APPENDECTOMIES APPENDICITISES ARCHIMANDRITES ARCHPRIESTHOOD ARRONDISSEMENT ARTIFICIALISED ARTIODACTYLOUS ATTITUDINISERS ATTITUDINISING ATTITUDINIZERS AUDIOCASSETTES AUDITABILITIES AUTOANTIBODIES AUTOPOLYPLOIDS AUTORADIOGRAMS AUTOSCHEDIASMS AUTOSCHEDIAZED AUTOSCHEDIAZES BACKWARDATIONS BASIDIOMYCETES BASTARDISATION BASTARDIZATION BENEDICTIONALS BICONDITIONALS BIDIALECTALISM BIGHEARTEDNESS BOWDLERISATION BREASTFEEDINGS BUREAUCRATISED CANDIDATESHIPS CANDLELIGHTERS CARDIOCENTESES CARDIOCENTESIS CHATEAUBRIANDS CHONDROMATOSIS CLAVICHORDISTS COADJUTORSHIPS COADMINISTERED CODECLINATIONS COLLATERALISED COLLOIDALITIES COMMANDANTSHIP COMPASSIONATED CONCEPTUALISED CONDENSABILITY CONDENSATIONAL CONFEDERATIONS CONNATURALISED CONQUISTADORES CONSIDERATIONS CONSOLIDATIONS CONSUETUDINARY CONTEXTUALISED CONTRABANDISMS CONTRABANDISTS CONTRADICTIONS CONTRADICTIOUS COORDINATENESS CORINTHIANISED COTRANSDUCTION COUNTERSHADING COUNTERSTAINED CREDENTIALINGS CREDENTIALISMS CREDITABLENESS CRYPTOSPORIDIA CUSTODIANSHIPS CYCLOADDITIONS DACTYLIOLOGIES DACTYLOSCOPIES DAMNIFICATIONS DANDIFICATIONS DAREDEVILTRIES DATAVEILLANCES DAUGHTERLINESS DEAMBULATORIES DEAMINISATIONS DEAMINIZATIONS DECAMETHONIUMS DECAPITALISING DECAPSULATIONS DECARBONATIONS DECARBURATIONS DECENTRALISING DECEREBRATIONS DECHRISTIANISE DECHRISTIANIZE DECIDABILITIES DECIMALISATION DECOLONISATION DECOLORISATION DECOMPENSATING DECOMPENSATION DECONSECRATING DECONSECRATION DECONTAMINANTS DECONTAMINATES DECORATIVENESS DECORTICATIONS DECREPITATIONS DEDUPLICATIONS DEFEMINISATION DEFENESTRATING DEFENESTRATION DEFIBRILLATORS DEFIBRINATIONS DEFINABILITIES DEFORESTATIONS DEGLUTINATIONS DEGRANULATIONS DEHUMANISATION DELIBERATENESS DELICATENESSES DELIRIFACIENTS DELOCALISATION DEMATERIALISED DEMATERIALISES DEMATERIALIZES DEMETHYLATIONS DEMILITARISING DEMOBILISATION DEMONETARISING DEMONETISATION DEMONSTRATIONS DEMONSTRATIVES DEMORALISATION DEMYELINATIONS DENATIONALISED DENATIONALISES DENATIONALIZES DENATURALISING DENSIFICATIONS DENTICULATIONS DEODORISATIONS DEODORIZATIONS DEOXIDISATIONS DEOXIDIZATIONS DEOXYGENATIONS DEPHLEGMATIONS DEPOLARISATION DEREALISATIONS DEREALIZATIONS DEREGISTRATION DERIVATIONISTS DERIVATISATION DERIVATIVENESS DERMATOLOGISTS DERMATOPLASTIC DEROGATORINESS DESALINISATION DESALINIZATION DESEGREGATIONS DESERTISATIONS DESERTIZATIONS DESIRABILITIES DESOBLIGEANTES DESPIRITUALISE DESPIRITUALIZE DESPOTICALNESS DESPOTOCRACIES DESQUAMATORIES DESTIGMATIZING DESULFURATIONS DESULPHURATING DESULPHURATION DETAILEDNESSES DETERIORATIONS DETERMINATIONS DETERMINATIVES DETONABILITIES DEUTERAGONISTS DEUTEROGAMISTS DEVALORISATION DEVITALISATION DEVOTIONALISTS DEVOTIONALNESS DEXTROCARDIACS DIABETOLOGISTS DIACATHOLICONS DIAGEOTROPISMS DIAGNOSABILITY DIAGNOSTICALLY DIAGNOSTICIANS DIALECTOLOGIES DIALECTOLOGIST DIAMANTIFEROUS DIAPHANOMETERS DIASTEREOMERIC DIATHERMANCIES DIAZOTISATIONS DIAZOTIZATIONS DICHROMATICISM DIESELISATIONS DIESELIZATIONS DIFFARREATIONS DIFFERENTIATES DIGITALISATION DIGNIFICATIONS DILATABILITIES DILATORINESSES DILETTANTEISMS DIMENSIONALITY DIMETHYLAMINES DINOTURBATIONS DIPTEROCARPOUS DISACCOMMODATE DISACCREDITING DISACCUSTOMING DISADVANTAGING DISADVENTUROUS DISAFFILIATING DISAFFILIATION DISAFFIRMATION DISAFFORESTING DISAGGREGATING DISAGGREGATION DISAGGREGATIVE DISAMBIGUATING DISAMBIGUATION DISAPPLICATION DISAPPOINTEDLY DISAPPOINTMENT DISAPPROBATION DISAPPROBATIVE DISAPPROBATORY DISAPPROPRIATE DISARRANGEMENT DISARTICULATED DISARTICULATES DISARTICULATOR DISASSIMILATED DISASSIMILATES DISASSOCIATING DISASSOCIATION DISATTRIBUTION DISAUTHORISING DISAUTHORIZING DISCAPACITATED DISCAPACITATES DISCEPTATORIAL DISCIPLINARITY DISCOLORATIONS DISCOLOURATION DISCOMBOBERATE DISCOMBOBULATE DISCOMFORTABLE DISCONSOLATELY DISCONSOLATION DISCONTINUANCE DISCORPORATING DISCOUNTENANCE DISCOURAGEMENT DISCRETIONALLY DISCRIMINATELY DISCRIMINATING DISCRIMINATION DISCRIMINATIVE DISCRIMINATORS DISCRIMINATORY DISEMBARKATION DISEMBARKMENTS DISENABLEMENTS DISENCHANTMENT DISENCHANTRESS DISENGAGEMENTS DISENTAILMENTS DISENTHRALLING DISENTHRALMENT DISENTRAINMENT DISEQUILIBRATE DISESTABLISHED DISESTABLISHES DISESTIMATIONS DISFEATUREMENT DISFIGURATIONS DISFORESTATION DISHABILITATED DISHABILITATES DISHEARTENMENT DISILLUMINATED DISILLUMINATES DISINCARCERATE DISINCLINATION DISINCORPORATE DISINFESTATION DISINFORMATION DISINHERITANCE DISINTEGRATING DISINTEGRATION DISINTEGRATIVE DISINTEGRATORS DISINTHRALLING DISINTOXICATED DISINTOXICATES DISINTRICATING DISINVIGORATED DISINVIGORATES DISMANTLEMENTS DISNATURALISED DISNATURALISES DISNATURALIZED DISNATURALIZES DISOBLIGATIONS DISORIENTATING DISORIENTATION DISPARAGEMENTS DISPENSABILITY DISPENSATIONAL DISPENSATIVELY DISPENSATORIES DISPENSATORILY DISPLANTATIONS DISPLEASANTING DISPROPRIATING DISPUTABLENESS DISPUTATIOUSLY DISQUANTITYING DISQUISITIONAL DISREPUTATIONS DISRESPECTABLE DISSATISFIEDLY DISSEMINATIONS DISSERTATIONAL DISSEVERATIONS DISSIMILATIONS DISSIMULATIONS DISSIPATEDNESS DISSOCIABILITY DISSOCIALITIES DISSOLVABILITY DISSYMMETRICAL DISTEMPERATURE DISTRACTEDNESS DISTRIBUTARIES DISTRIBUTIONAL DIURETICALNESS DOCTRINAIRISMS DOCTRINALITIES DOCUMENTALISTS DOCUMENTARIANS DOCUMENTARISED DOCUMENTARISES DOCUMENTARISTS DOCUMENTARIZES DOCUMENTATIONS DODECAPHONISTS DOGMATICALNESS DOGMATISATIONS DOGMATIZATIONS DOLLARISATIONS DOLLARIZATIONS DOLOMITISATION DOMESTICATIONS DOMICILIATIONS DORSIVENTRALLY DOSIMETRICIANS DRAFTSMANSHIPS DRAMATISATIONS DRAMATIZATIONS DRAPEABILITIES DRAUGHTINESSES DRILLABILITIES DRINKABILITIES DRIVEABILITIES DULCIFICATIONS EDITORIALISERS EDITORIALISING EDITORIALIZERS EDUCATIONALIST EMPYREUMATISED ENANTIODROMIAS ENCEPHALITIDES ENCYCLOPAEDIST ENDOCARDITIDES ENDOCARDITISES ENDOPARASITISM ENDOPEPTIDASES ENDOSMOTICALLY ENDURABILITIES ENHYPOSTATISED ENHYPOSTATIZED EPIDOTISATIONS EPIDOTIZATIONS EPIGRAMMATISED EPITHELIALISED EQUIPONDERATES EUDEMONISTICAL FARSIGHTEDNESS FASTIDIOUSNESS FEDERALISATION FEUDALISATIONS FEUDALIZATIONS FINGERBREADTHS FOUNDATIONLESS FRACTIONALISED FUNDAMENTALISM FUNDAMENTALIST GALACTOSIDASES GEODYNAMICISTS GLADIATORSHIPS GONADECTOMISED GONADOTROPHINS GRANDSTANDINGS HAEMODILUTIONS HALFWITTEDNESS HANDICRAFTSMAN HANDICRAFTSMEN HARPSICHORDIST HEADMASTERLIER HEADMASTERSHIP HEADMISTRESSES HEDONISTICALLY HEPATECTOMISED HEREDITARINESS HERMAPHRODITES HEXACTINELLIDS HYBRIDISATIONS HYBRIDIZATIONS HYDROACOUSTICS HYDROGENATIONS HYDROLYSATIONS HYDROLYZATIONS HYDROMAGNETICS HYDROTHERAPIES HYDROTHERAPIST HYDROXYLATIONS HYPERACIDITIES HYPERDACTYLIES HYPOCHONDRIAST ICHTHYOPSIDANS IDEALISTICALLY IDOLATROUSNESS IMMATERIALISED IMMODERATENESS INADEQUATENESS INADVERTENCIES INADVISABILITY INAUDIBILITIES INCANDESCENTLY INCARDINATIONS INCIDENTALNESS INDELICATENESS INDEMONSTRABLE INDEMONSTRABLY INDIGENISATION INDISCRIMINATE INDIVIDUALISTS INDIVIDUATIONS INDOCTRINATORS INDUPLICATIONS INDUSTRIALISED INDUSTRIALISES INDUSTRIALISMS INDUSTRIALISTS INDUSTRIALIZED INDUSTRIALIZES INFLATEDNESSES INORDINATENESS INSECTICIDALLY INSUBORDINATES INTERDIGITATES INTERMEDIACIES INTERMEDIARIES INTERMEDIATORS INTEROSCULATED IRRATIONALISED ISODIAMETRICAL JURISDICTIONAL KINDERGARTNERS LECYTHIDACEOUS LEGERDEMAINIST LIQUIDATIONISM LIQUIDATIONIST LYMPHANGITIDES MACADAMISATION MACRODACTYLIES MALADAPTATIONS MALADMINISTERS MATCHBOARDINGS MATHEMATICISED MEDIAEVALISTIC MEDIATISATIONS MEDIATIZATIONS MEDICALISATION MEDITATIVENESS MELODRAMATISED MELODRAMATISES MELODRAMATISTS MELODRAMATIZES METAGRABOLISED METAGROBOLISED METAPHYSICISED METAPHYSICIZED METHODICALNESS METHODISATIONS METHODIZATIONS METRONIDAZOLES MISADJUSTMENTS MISADVENTURERS MISADVENTUROUS MISADVERTENCES MISAPPRECIATED MISARTICULATED MISTRANSCRIBED MISUNDERSTANDS MITHRIDATISING MODERATORSHIPS MODERNISATIONS MODERNIZATIONS MODULABILITIES MONUMENTALISED MOULDABILITIES MOUNTAINBOARDS MULTICUSPIDATE MUNDIFICATIONS MUNDIFICATIVES NEMATODIRIASES NEMATODIRIASIS NONCLANDESTINE NONDERIVATIVES NONESTABLISHED NONINDUSTRIALS NONRESIDENTIAL OBEDIENTIARIES OCCIDENTALISED OCCIDENTALISES OCCIDENTALISMS OCCIDENTALISTS OCCIDENTALIZES ODONATOLOGISTS ODONTOGRAPHIES ORTHODIAGONALS ORTHOGONALISED ORTHOPINAKOIDS OUTLANDISHNESS OUTRECUIDANCES OVARIECTOMISED OVERADVERTISED OVERADVERTISES OVERADVERTIZES OVERDRAMATISED OVERDRAMATISES OVERDRAMATIZES OVEREDUCATIONS OVERFASTIDIOUS OVERSTIMULATED OXIDOREDUCTASE PAEDIATRICIANS PANCREATITIDES PANDICULATIONS PANRADIOMETERS PARTICLEBOARDS PARTICULARISED PEDANTOCRACIES PEDESTRIANISED PEDESTRIANISES PEDESTRIANISMS PEDESTRIANIZED PEDESTRIANIZES PEDUNCULATIONS PENTADACTYLIES PENTADACTYLISM PEPTIDOGLYCANS PERICARDITIDES PERICARDITISES PERIODICALISTS PERIODISATIONS PERIODIZATIONS PERISSODACTYLE PERISSODACTYLS PERSUADABILITY PHLOGISTICATED PIDGINISATIONS PIDGINIZATIONS PLATINIRIDIUMS PLATITUDINISED PLATITUDINISER PLATITUDINISES PLATITUDINIZES PODSOLISATIONS PODSOLIZATIONS PODZOLISATIONS PODZOLIZATIONS POLYBUTADIENES POLYDACTYLISMS POSTGRADUATION POSTINDUSTRIAL POSTPRANDIALLY PREADAPTATIONS PREADMONITIONS PREDESIGNATING PREDESIGNATION PREDESIGNATORY PREDESTINARIAN PREDESTINATING PREDESTINATION PREDESTINATIVE PREDESTINATORS PREDOMINATIONS PREESTABLISHED PREJUDICATIONS PREMEDICATIONS PREMEDITATIONS PREORDAINMENTS PREORDINATIONS PRESIDENTIALLY PROCRASTINATED PROGNOSTICATED PROPAGANDISTIC PROSTAGLANDINS PROSTHODONTIAS PRUDENTIALISMS PRUDENTIALISTS PSEUDAESTHESIA PSEUDARTHROSIS PSYCHODRAMATIC PUNDITOCRACIES PYRAMIDOLOGIST QUADRILATERALS QUADRILITERALS QUADRILLIONTHS QUADRISECTIONS QUADRUMVIRATES QUADRUPLICATES QUARTODECIMANS RADIALISATIONS RADIALIZATIONS RADICALISATION RADIESTHESISTS RADIOACTIVATES RADIOBIOLOGIST RADIOCHEMISTRY RADIOLOCATIONS RADIORESISTANT RADIOSENSITISE RADIOSENSITIVE RADIOSENSITIZE RADIOSTRONTIUM RADIOTELEGRAMS RADIOTELETYPES RADIOTHERAPIES RADIOTHERAPIST RANDOMISATIONS RANDOMIZATIONS REACCLIMATISED READMINISTERED REBROADCASTING RECONDENSATION RECONSOLIDATED RECONSOLIDATES RECRYSTALLISED RECRYSTALLIZED REDISCOUNTABLE REDISTILLATION REDUPLICATIONS REHOSPITALISED REHOSPITALIZED REINVESTIGATED REMATERIALISED RENATIONALISED REPUDIATIONIST RESIDENTIARIES RESTRAINEDNESS RESYSTEMATISED RESYSTEMATIZED REVENDICATIONS REVINDICATIONS RHABDOMANTISTS ROADWORTHINESS RUGGEDISATIONS RUGGEDIZATIONS SACERDOTALISED SACERDOTALISES SACERDOTALISMS SACERDOTALISTS SACERDOTALIZED SACERDOTALIZES SADOMASOCHISTS SANSCULOTTIDES SCANDALISATION SCANDALIZATION SCATTERBRAINED SCRATCHBUILDER SEDIMENTATIONS SERODIAGNOSTIC SESQUIPEDALITY SHADOWCASTINGS SHERARDISATION SHERARDIZATION SKATEBOARDINGS SLANTENDICULAR SLANTINDICULAR SOLIDIFICATION SOLIDUNGULATES SOLITUDINARIAN STADHOLDERSHIP STAPEDECTOMIES STERNOMASTOIDS STICKHANDLINGS STRAITJACKETED STRUCTURALISED STRUCTURALIZED SUBCATEGORISED SUBCATEGORIZED SUBINDICATIONS SUBINFEUDATING SUBINFEUDATION SUBINFEUDATORY SUBORDINATIONS SUBSIDIARITIES SUBSIDISATIONS SUBSIDIZATIONS SUBSTANTIVISED SUBSTANTIVIZED SULFACETAMIDES SULPHACETAMIDE SUPERADDITIONS SUPERDAINTIEST SUPERDIPLOMATS SUPERDOMINANTS SUPERINSULATED SUPERORDINATED SUPERORDINATES TENDERISATIONS TENDERIZATIONS TENDINOPATHIES TENDONOPATHIES TENDOVAGINITIS TETARTOHEDRISM TETRACHLORIDES TETRADACTYLIES TETRAFLUORIDES THEATRICALISED THERMODYNAMICS THIABENDAZOLES THIOCARBAMIDES TOWARDLINESSES TRADITIONALISE TRADITIONALISM TRADITIONALIST TRADUCIANISTIC TRANSABDOMINAL TRANSACTINIDES TRANSCENDINGLY TRANSDUCTIONAL TRANSGENDERISM TRANSISTORISED TRANSISTORIZED TRANSLITERATED TRANSMOGRIFIED TREPIDATIOUSLY TRIDIMENSIONAL TRIMETHADIONES TRISACCHARIDES TRISOCTAHEDRAL TRISOCTAHEDRON TYRANNOSAURIDS ULTRACIVILISED ULTRAMODERNISM ULTRAMODERNIST ULTRAWIDEBANDS UNACCLIMATISED UNANESTHETISED UNANESTHETIZED UNCONSOLIDATED UNCRYSTALLISED UNCRYSTALLIZED UNDERESTIMATED UNDERESTIMATES UNDERPAINTINGS UNDERREACTIONS UNDERSTAFFINGS UNDERSTANDINGS UNDERSTRAPPING UNDERTENANCIES UNDESIRABILITY UNDISTRACTEDLY UNDOCTRINAIRES UNDOMESTICATED UNDOMESTICATES UNDULATIONISTS UNMATERIALISED UNPREDICTABLES UNRESTRAINEDLY UNROMANTICISED UNSTANDARDISED UNSTANDARDIZED UNSTEADINESSES UNSYSTEMATISED UNSYSTEMATIZED UNTHRIFTIHEADS UNTHRIFTYHEADS UNTOWARDLINESS UPSTANDINGNESS VALEDICTORIANS VALETUDINARIES VANDALISATIONS VANDALIZATIONS VASODILATATION VASODILATATORY VERIDICALITIES VIDEOCASSETTES VINDICATRESSES WATERBOARDINGS WATERFLOODINGS XENODIAGNOSTIC ZYGODACTYLISMS