There are 764 thirteen-letter words containing A, D, 2I and S, https://www.bestwordlist.com/c/a/5/13letterwordswithadiis.htm
ACADEMICALISM ACCIDENTALISM ACCORDIONISTS ACIDOPHILUSES ADAPTATIONIST
ADDICTIVENESS ADIAPHORISTIC ADJUDICATIONS ADJUSTABILITY ADMINICULATES
ADMINISTERING ADMINISTRABLE ADMINISTRANTS ADMINISTRATED ADMINISTRATES
ADMINISTRATOR ADMISSIBILITY ADMONISHINGLY ADORABILITIES ADSORBABILITY
ADVENTURISTIC ADVERBIALISED ADVERBIALISES ADVERBIALIZES AECIDIOSPORES
AERODIGESTIVE AEROMEDICINES AEROSIDERITES AESTHETICISED AESTHETICIZED
ALDERMANITIES ALDOLISATIONS ALDOLIZATIONS AMPHIDIPLOIDS AMPHIPLOIDIES
ANAPHRODISIAC ANAPHRODISIAS ANDRODIOECISM ANIMADVERSION ANTEDILUVIANS
ANTIDESICCANT ANTIDIABETICS ANTIDIURETICS ANTIMODERNISM ANTIMODERNIST
ANTIPERIODICS ANTIPESTICIDE ANTISPASMODIC APHRODISIACAL ARACHNOIDITIS
ATTITUDINISED ATTITUDINISER ATTITUDINISES ATTITUDINIZES AUDIOMETRISTS
AUDIOVISUALLY AUTOXIDATIONS AVOIRDUPOISES BACTERIOCIDES BASIDIOMYCETE
BASIDIOSPORES BIDDABILITIES BIOFLAVONOIDS BIOPESTICIDAL BIRDWATCHINGS
BLACKBIRDINGS BOARDSAILINGS BOATBUILDINGS BRADYKINESIAS BREADWINNINGS
CALENDARISING CANDIDATESHIP CARDINALITIES CARDINALSHIPS CARDIOLOGISTS
CARDIOPATHIES CARDIOPLEGIAS CARDIOVERSION CATHIODERMIES CHICKABIDDIES
CHILDBEARINGS CHILIAHEDRONS CLADISTICALLY CLAIRAUDIENTS CLANDESTINITY
CLAUDICATIONS CLAVICHORDIST COADMINISTERS COCCIDIOSTATS CODIFICATIONS
COLOQUINTIDAS CONDITIONATES CONSIDERATION CONSIDERATIVE CONSOLIDATING
CONSOLIDATION CONSOLIDATIVE CONTAINERISED COORDINATIONS CORDWAINERIES
CORESIDENTIAL CREDENTIALISM CUSTODIANSHIP CYCLODIALYSIS CYTODIAGNOSIS
DAMNABILITIES DAREDEVILRIES DAUNORUBICINS DEACTIVATIONS DEAMINISATION
DEASPIRATIONS DEBILITATIONS DECAPITALISED DECAPITALISES DECAPITALIZES
DECAPITATIONS DECARBONISING DECARBURISING DECARTELISING DECASUALISING
DECASUALIZING DECLASSIFYING DECLINATORIES DECRASSIFYING DECRIMINALISE
DEDRAMATISING DEFEASIBILITY DEFEUDALISING DEFIBRILLATES DEFLATIONISTS
DEFORCIATIONS DEFORMALISING DEGLACIATIONS DEGLAMORISING DEINDEXATIONS
DEIONISATIONS DEIONIZATIONS DELAMINATIONS DELEGITIMATES DELIBERATIONS
DELIMITATIONS DEMAGNETISING DEMATERIALISE DEMILITARISED DEMILITARISES
DEMILITARIZES DEMIMONDAINES DEMINERALISED DEMINERALISER DEMINERALISES
DEMINERALIZES DEMOCRATISING DEMONISATIONS DEMONIZATIONS DEMOTIVATIONS
DEMUTUALISING DENATIONALISE DENIABILITIES DENOMINATIONS DENOMINATIVES
DENSIFICATION DENTILINGUALS DENUNCIATIONS DEODORISATION DEOPPILATIONS
DEOPPILATIVES DEOXIDISATION DEPAUPERISING DEPOSITATIONS DEPRECIATIONS
DEPUTISATIONS DEPUTIZATIONS DERACIALISING DERACINATIONS DEREALISATION
DERIVATIONIST DESACRALISING DESACRALIZING DESALINATIONS DESANCTIFYING
DESERTISATION DESERTIZATION DESEXUALISING DESEXUALIZING DESIDERATIONS
DESIDERATIVES DESPICABILITY DESPOLIATIONS DESTABILISERS DESTABILISING
DESTABILIZERS DESTABILIZING DESTIGMATIZED DESTIGMATIZES DETERMINACIES
DETESTABILITY DETOXICATIONS DETRIBALISING DEVIATIONISMS DEVIATIONISTS
DEVOTIONALIST DIABETOLOGIST DIABOLOLOGIES DIACHRONISTIC DIAGEOTROPISM
DIAGNOSTICIAN DIAGONALISING DIALECTICIANS DIALECTICISMS DIALOGISTICAL
DIALYSABILITY DIAMAGNETISMS DIAPHANEITIES DIAPHRAGMITIS DIASTROPHISMS
DIATHERMACIES DIATOMICITIES DIAZOTISATION DIBRANCHIATES DICHROMATISMS
DICTATORSHIPS DIESELISATION DIESELIZATION DIETHYLAMIDES DIETHYLAMINES
DIFFERENTIALS DIFUNCTIONALS DIGITISATIONS DIGITIZATIONS DIGLADIATIONS
DIGRESSIONARY DIJUDICATIONS DILACERATIONS DILAPIDATIONS DILATOMETRIES
DILETTANTEISH DILETTANTEISM DILETTANTISMS DILUCIDATIONS DIMENSIONALLY
DIMERISATIONS DIMERIZATIONS DIORISTICALLY DIPLOMATISING DIPSOMANIACAL
DISACCHARIDES DISACCREDITED DISAFFECTIONS DISAFFILIATED DISAFFILIATES
DISAFFIRMANCE DISAMBIGUATED DISAMBIGUATES DISANNULLINGS DISAPPOINTING
DISARTICULATE DISASSEMBLIES DISASSEMBLING DISASSIMILATE DISASSOCIATED
DISASSOCIATES DISAUTHORISED DISAUTHORISES DISAUTHORIZED DISAUTHORIZES
DISCANDERINGS DISCAPACITATE DISCEPTATIONS DISCEPTATIOUS DISCIPLINABLE
DISCIPLINANTS DISCLAMATIONS DISCOGRAPHIES DISCOLORATION DISCORDANCIES
DISCREDITABLE DISCREDITABLY DISCREPANCIES DISCRETIONARY DISCRIMINABLE
DISCRIMINABLY DISCRIMINANTS DISCRIMINATED DISCRIMINATES DISCRIMINATOR
DISENCHAINING DISENCHANTING DISENTAILMENT DISENTANGLING DISENTRAILING
DISENTRAINING DISENTRANCING DISENTRAYLING DISEQUILIBRIA DISESTIMATION
DISFIGURATION DISFRANCHISED DISFRANCHISES DISFUNCTIONAL DISGARNISHING
DISGARRISONED DISGAVELLINGS DISGRADATIONS DISGREGATIONS DISHABILITATE
DISHARMONIOUS DISHARMONISED DISHARMONISES DISHARMONIZED DISHARMONIZES
DISHEARTENING DISILLUMINATE DISINFECTANTS DISINFESTANTS DISINFLATIONS
DISINTEGRABLE DISINTEGRATED DISINTEGRATES DISINTEGRATOR DISINTHRALLED
DISINTOXICATE DISINTRICATED DISINTRICATES DISINVIGORATE DISNATURALISE
DISNATURALIZE DISOBLIGATION DISOBLIGATORY DISOPERATIONS DISORDINATELY
DISORGANISERS DISORGANISING DISORGANIZERS DISORGANIZING DISORIENTATED
DISORIENTATES DISPARAGINGLY DISPASSIONATE DISPAUPERISED DISPAUPERISES
DISPAUPERIZED DISPAUPERIZES DISPENSATIONS DISPLANTATION DISPLEASINGLY
DISPLEASURING DISPOSABILITY DISPOSITIONAL DISPRAISINGLY DISPROPRIATED
DISPROPRIATES DISPUTABILITY DISPUTATIVELY DISQUALIFIERS DISQUALIFYING
DISQUANTITIED DISQUANTITIES DISREPUTATION DISSATISFYING DISSEMINATING
DISSEMINATION DISSEMINATIVE DISSEMINATORS DISSEPIMENTAL DISSERTATIONS
DISSEVERATION DISSIMILARITY DISSIMILATING DISSIMILATION DISSIMILATIVE
DISSIMILATORY DISSIMULATING DISSIMULATION DISSIMULATIVE DISSIMULATORS
DISSOCIALISED DISSOCIALISES DISSOCIALIZED DISSOCIALIZES DISSOCIATIONS
DISSYLLABISMS DISTILLATIONS DISTRACTINGLY DISTRACTIVELY DISTRAINMENTS
DISTRIBUTABLE DISYLLABIFIED DISYLLABIFIES DITHYRAMBISTS DITRANSITIVES
DITTOGRAPHIES DIVARICATIONS DIVERSIFIABLE DIVINISATIONS DIVINIZATIONS
DOCTRINAIRISM DOCTRINARIANS DOCTRINARISMS DOGMATISATION DOLLARISATION
DOLPHINARIUMS DOMESTICATING DOMESTICATION DOMESTICATIVE DOSIMETRICIAN
DRACONIANISMS DRAMATISATION DRAPABILITIES DRIVABILITIES DUALISTICALLY
DURALUMINIUMS DUTIABILITIES EDITORIALISED EDITORIALISER EDITORIALISES
EDITORIALISTS EDITORIALIZES EDUCABILITIES EDUCATIONISTS EMOTIONALISED
ENDOPARASITIC EPANADIPLOSIS EPIDOTISATION EQUIDISTANCES EQUIDISTANTLY
ESOPHAGITIDES ESSENTIALISED ESSENTIALIZED EUDAEMONISTIC EUDAIMONISTIC
EXPEDITATIONS FACTIONALISED FARADISATIONS FARADIZATIONS FAULTFINDINGS
FERRICYANIDES FEUDALISATION FICTIONALISED FIDEICOMMISSA FLUIDISATIONS
FLUIDIZATIONS FLUORIDATIONS GEODYNAMICIST GLADIATORSHIP GORMANDISINGS
GORMANDIZINGS GOURMANDISING GRADABILITIES GRAMMATICISED GRANDIOSITIES
GRANODIORITES GUANETHIDINES GUARDIANSHIPS HAEMODIALYSIS HAEMOSIDERINS
HAIRDRESSINGS HEREDITARIANS HISPANIOLISED HISPANIOLIZED HYBRIDISATION
HYDRASTININES HYPOACIDITIES ICHTHYOPSIDAN IDEALISATIONS IDEALIZATIONS
IDENTICALNESS IDIOMATICNESS IDIOPLASMATIC IDIOSYNCRATIC IDIOTICALNESS
ILLIBERALISED IMMEDIATENESS IMMODERATIONS IMPASSIONEDLY INADAPTATIONS
INAUDIBLENESS INCENDIARISMS INCONSIDERATE INDESCRIBABLE INDESCRIBABLY
INDISPENSABLE INDISPENSABLY INDISSOCIABLE INDISSOCIABLY INDISSOLVABLE
INDISSUADABLE INDISSUADABLY INDIVIDUALISE INDIVIDUALISM INDIVIDUALIST
INDIVIDUATORS INDOCTRINATES INDOMETHACINS INDUSTRIALISE INDUSTRIALISM
INDUSTRIALIST INDUSTRIALIZE INEXACTITUDES INGRAINEDNESS INORDINATIONS
INSUBORDINATE INTERMEDIATES INTERRADIUSES INTERSIDEREAL INTERSTADIALS
INTIMIDATIONS INVALIDATIONS INVALIDNESSES ISOANTIBODIES ISOCARBOXAZID
KALEIDOSCOPIC KITEBOARDINGS LACKADAISICAL LAUDABILITIES LEGITIMATISED
LYMPHADENITIS MADERISATIONS MADERIZATIONS MAGNITUDINOUS MAIDISHNESSES
MALADMINISTER MASTERMINDING MASTOIDITIDES MASTOIDITISES MEDIAEVALISMS
MEDIAEVALISTS MEDIATISATION MEDIATORSHIPS MEDIEVALISTIC MERCHANDISING
MERCURIALISED METHODISATION MINERALOGISED MISADDRESSING MISATTRIBUTED
MISCLASSIFIED MISDIAGNOSING MISEDUCATIONS MISEMPHASISED MISEMPHASIZED
MISPERSUADING MISSIONARISED MISSIONARIZED MITHRIDATISED MITHRIDATISES
MITHRIDATISMS MITHRIDATIZES MODERNISATION MODIFICATIONS MOLDABILITIES
MOLENDINARIES MOLLUSCICIDAL MOUNTAINSIDES MULTIGRAVIDAS MULTIPLICANDS
MUNICIPALISED MYOCARDITISES NEURAMINIDASE NICOTINAMIDES NIDIFICATIONS
NIGGARDLINESS NOMADISATIONS NOMADIZATIONS NONADMISSIONS NONCLASSIFIED
NONDIAPAUSING NONEDITORIALS NONINDUSTRIAL NONSINUSOIDAL NONVALIDITIES
OCCIDENTALISE OCCIDENTALISM OCCIDENTALIST ORCHIDOMANIAS OUTDISTANCING
OVERDIAGNOSIS OVERIDEALISED OVERIDEALISES OVERIDEALIZES PAEDOPHILIACS
PALINDROMISTS PALLIDOTOMIES PARASITICIDAL PARASITICIDES PAROCHIALISED
PAROTIDITISES PEDANTICISING PEDESTRIANISE PEDESTRIANISM PEDESTRIANIZE
PEDIATRICIANS PEDICULATIONS PENTACRINOIDS PENTAPLOIDIES PERIODICALIST
PERIODISATION PEROXIDATIONS PHARYNGITIDES PHILANDERINGS PICTORIALISED
PIDGINISATION PLATITUDINISE PLATITUDINOUS PODSOLISATION PODSOLIZATION
PODZOLISATION POLITICALISED PORCELAINISED POSTDILUVIANS PRAEDIALITIES
PREADMISSIONS PREINDUSTRIAL PRESANCTIFIED PRIMIGRAVIDAS PRIMORDIALISM
PROBOSCIDIANS PRODIGALISING PRODIGALITIES PRUDENTIALISM PRUDENTIALIST
PSEUDIMAGINES PTERIDOMANIAS PYRIDOXAMINES QUADRIENNIUMS QUADRIFARIOUS
QUADRINOMIALS QUADRIPHONICS QUADRIPLEGIAS QUADRIPLEGICS QUADRISECTING
QUADRISECTION QUASIPERIODIC QUINQUENNIADS RADIALISATION RADIATIONLESS
RADIESTHESIAS RADIESTHESIST RADIOCHEMISTS RADIOGRAPHIES RADIOISOTOPES
RADIOISOTOPIC RADIONUCLIDES RADIOPACITIES RADIOPHONISTS RADIOTHERMIES
RADIOTHORIUMS RANDOMISATION RANGEFINDINGS READABILITIES READMINISTERS
READVERTISING RECAPITALISED REDEDICATIONS REMILITARISED REMINERALISED
REORDINATIONS REPRISTINATED RESIDENTIALLY REVALIDATIONS ROADABILITIES
ROADBUILDINGS RUGGEDISATION SAILBOARDINGS SALICYLAMIDES SANDPAINTINGS
SCRIMSHANDIED SCRIMSHANDIES SECTARIANISED SECTARIANIZED SECTIONALISED
SECTIONALIZED SEDIMENTARILY SEDIMENTATION SEDITIONARIES SEMIARIDITIES
SEMICARBAZIDE SEMIDIAMETERS SERODIAGNOSIS SLUGGARDISING SLUGGARDIZING
SODOMITICALLY SOLDERABILITY SOLIFIDIANISM SOPHISTICATED SPADICIFLORAL
SPAGHETTIFIED SPIRITUALISED SPIRITUALIZED SPREADABILITY STANDARDISING
STANDARDIZING STAPHYLINIDAE STICKHANDLING STIPENDIARIES STIPENDIATING
STRIDULATIONS STUDDINGSAILS SUBCLASSIFIED SUBDIVISIONAL SUBINDICATING
SUBINDICATION SUBINDICATIVE SUBORDINARIES SUBORDINATING SUBORDINATION
SUBORDINATIVE SUBSIDIARIATS SUBSIDISATION SUBSIDIZATION SULFADIAZINES
SULFADIMIDINE SULFANILAMIDE SULPHADIAZINE SUPERADDITION SUPERDAINTIER
SYNDICALISTIC TAXIDERMISING TECHNICALISED TENDERISATION TETRAPLOIDIES
THIORIDAZINES TRADITIONISTS TRADITIONLESS TRADUCIANISMS TRADUCIANISTS
TRAGICOMEDIES TRANQUILLISED TRANSACTINIDE TRANSLUCIDITY TRIPUDIATIONS
TRISACCHARIDE UNASSIMILATED UNCAPITALISED UNCHRISTIANED UNDERPRAISING
UNDISGUISABLE UNDISSOCIATED UNDISTRACTING UNDULATIONIST UNFEUDALISING
UNIMPASSIONED UNIVERSALISED UNIVERSALIZED UNNILQUADIUMS UNPARASITISED
UNPARASITIZED UNPLASTICISED UNPLASTICIZED UNSPECIALISED UNSPECIALIZED
UNSTIGMATISED UNSTIGMATIZED VAGABONDISING VALEDICTORIES VANDALISATION
VASODILATIONS VAUDEVILLIANS VAUDEVILLISTS VELOCIPEDIANS VIDEOGRAPHIES
VINYLCYANIDES WELDABILITIES WINDBAGGERIES XENODIAGNOSIS