There are 677 thirteen-letter words containing A, D, O, S and T, https://www.bestwordlist.com/c/a/5/13letterwordswithadost.htm
ACCOMMODATORS ACCORDIONISTS ACOTYLEDONOUS ADAPTATIONIST ADIAPHORISTIC
ADJUDICATIONS ADMINISTRATOR ADMONISHMENTS ADORABILITIES ADRENOCEPTORS
ADSORBABILITY ADULTERATIONS ADVENTURESOME ADVENTUROUSLY AERODIGESTIVE
AEROSIDERITES AGATHODAIMONS ALDOLISATIONS ALDOLIZATIONS ALDOSTERONISM
AMBIDEXTEROUS ANDOUILLETTES ANDROCENTRISM ANDROSTERONES ANECDOTALISMS
ANECDOTALISTS ANTHEROZOOIDS ANTIANDROGENS ANTIHYDROGENS ANTIMODERNISM
ANTIMODERNIST ANTIPERIODICS ANTISPASMODIC APOSTROPHISED APOSTROPHIZED
ARACHNOIDITIS ARFVEDSONITES ASTRODYNAMICS AUDIOCASSETTE AUDIOMETRISTS
AUTOCATALYSED AUTODESTRUCTS AUTOSCHEDIASM AUTOSCHEDIAZE AUTOSUGGESTED
AUTOXIDATIONS BACKWOODSIEST BACTERIOCIDES BASIDIOMYCETE BATTLEGROUNDS
BIOPESTICIDAL BLOATEDNESSES BOATBUILDINGS BODDHISATTVAS BODYSNATCHERS
BROADCASTINGS CARBOHYDRATES CARDBOARDIEST CARDIOLOGISTS CARDIOPATHIES
CARDIOVERTERS CATHIODERMIES CATHODOGRAPHS CHONDROBLASTS CHONDROMATOUS
CHONDROSTIANS CLAUDICATIONS CLAVICHORDIST COADAPTATIONS COADJUTORSHIP
COADJUTRESSES COADMINISTERS COASTGUARDMAN COASTGUARDMEN COCCIDIOSTATS
CODIFICATIONS COLOQUINTIDAS COMMENDATIONS COMPACTEDNESS CONDEMNATIONS
CONDENSATIONS CONDITIONATES CONDYLOMATOUS CONQUISTADORS CONSERVATISED
CONSERVATIZED CONSIDERATELY CONSIDERATION CONSIDERATIVE CONSOLIDATING
CONSOLIDATION CONSOLIDATIVE CONSOLIDATORS CONSTRAINEDLY CONTAINERISED
CONTRABANDISM CONTRABANDIST CONTRADICTERS CONTRADICTORS COORDINATIONS
CORESIDENTIAL COSTARDMONGER COTRANSDUCING COTRANSFERRED COTRANSPORTED
COUNTERPLEADS COUNTERSEALED COUNTERSTATED COUNTERTRADES CREATUREHOODS
CRYSTALLOIDAL CUSTODIANSHIP CYCLOPAEDISTS CYTODIAGNOSES CYTODIAGNOSIS
DACTYLOLOGIES DAUGHTERHOODS DEACTIVATIONS DEAMINISATION DEASPIRATIONS
DEBILITATIONS DECAPITATIONS DECAPSULATION DECARBONATORS DECELERATIONS
DECHLORINATES DECLINATORIES DECOLORATIONS DECOMPENSATED DECOMPENSATES
DECONGESTANTS DECONSECRATED DECONSECRATES DECORTICATORS DECRUSTATIONS
DECUMULATIONS DEFLAGRATIONS DEFLATIONISTS DEFLOCCULANTS DEFLOCCULATES
DEFORCIATIONS DEFORESTATION DEFRAUDATIONS DEGENERATIONS DEGLACIATIONS
DEINDEXATIONS DEIONISATIONS DEIONIZATIONS DELAMINATIONS DELIBERATIONS
DELIMITATIONS DEMOCRATISERS DEMOCRATISING DEMOCRATIZERS DEMODULATIONS
DEMOGRAPHISTS DEMONETARISED DEMONETARISES DEMONETARIZES DEMONISATIONS
DEMONIZATIONS DEMONOLATRIES DEMONSTRATING DEMONSTRATION DEMONSTRATIVE
DEMONSTRATORS DEMONSTRATORY DEMOTIVATIONS DENATIONALISE DENATURATIONS
DENDROLATRIES DENOMINATIONS DENOMINATIVES DENSIFICATION DENUNCIATIONS
DEODORISATION DEOPPILATIONS DEOPPILATIVES DEOXIDISATION DEPHLEGMATORS
DEPOPULATIONS DEPOSITATIONS DEPRECIATIONS DEPUTISATIONS DEPUTIZATIONS
DERACINATIONS DEREALISATION DEREGULATIONS DERIVATIONIST DERMATOLOGIES
DERMATOLOGIST DERMATOPHYTES DERMATOPLASTY DESALINATIONS DESATURATIONS
DESEGREGATION DESERTISATION DESERTIZATION DESIDERATIONS DESOBLIGEANTE
DESPOLIATIONS DESQUAMATIONS DESTRUCTIONAL DESULFURATION DETERMINATORS
DETOXICATIONS DETRUNCATIONS DEUTERAGONIST DEUTERANOPIAS DEUTEROGAMIES
DEUTEROGAMIST DEUTEROPLASMS DEVIATIONISMS DEVIATIONISTS DEVOTIONALIST
DEXAMETHASONE DEXTROCARDIAS DIABETOLOGIST DIACHRONISTIC DIAGEOTROPISM
DIAGNOSTICIAN DIALOGISTICAL DIALYPETALOUS DIASTEREOMERS DIASTROPHISMS
DIATHERMANOUS DIATOMICITIES DIAZOMETHANES DIAZOTISATION DICHROMATISMS
DICTATORSHIPS DICTYOPTERANS DIESELISATION DIESELIZATION DIFUNCTIONALS
DIGITISATIONS DIGITIZATIONS DIGLADIATIONS DIJUDICATIONS DILACERATIONS
DILAPIDATIONS DILATOMETRIES DILUCIDATIONS DIMERISATIONS DIMERIZATIONS
DIORISTICALLY DIPLOMATISING DIPROPELLANTS DISACCUSTOMED DISAFFECTIONS
DISAFFORESTED DISAPPOINTING DISASSOCIATED DISASSOCIATES DISAUTHORISED
DISAUTHORISES DISAUTHORIZED DISAUTHORIZES DISCEPTATIONS DISCEPTATIOUS
DISCLAMATIONS DISCOLORATION DISCORPORATED DISCORPORATES DISCRETIONARY
DISCRIMINATOR DISESTIMATION DISFIGURATION DISFUNCTIONAL DISGRADATIONS
DISGREGATIONS DISINFLATIONS DISINTEGRATOR DISINTOXICATE DISINVIGORATE
DISOBLIGATION DISOBLIGATORY DISOPERATIONS DISORDINATELY DISORIENTATED
DISORIENTATES DISPASSIONATE DISPENSATIONS DISPLANTATION DISPOSABILITY
DISPOSITIONAL DISPROPRIATED DISPROPRIATES DISREPUTATION DISSEMINATION
DISSEMINATORS DISSERTATIONS DISSEVERATION DISSIMILATION DISSIMILATORY
DISSIMULATION DISSIMULATORS DISSOCIATIONS DISTILLATIONS DITTOGRAPHIES
DIVARICATIONS DIVINISATIONS DIVINIZATIONS DOCTRINAIRISM DOCTRINARIANS
DOCTRINARISMS DOCUMENTALIST DOCUMENTARIES DOCUMENTARISE DOCUMENTARIST
DODECAPHONIST DOGMATISATION DOGMATOLOGIES DOLLARISATION DOMESTICATING
DOMESTICATION DOMESTICATIVE DOMESTICATORS DOOMWATCHINGS DOSIMETRICIAN
DRAFTSPERSONS DRAMATISATION DRAUGHTBOARDS DRAUGHTPROOFS DRAUGHTSWOMAN
DRAUGHTSWOMEN DYNAMOMETRIES DYSFUNCTIONAL EDITORIALISED EDITORIALISER
EDITORIALISES EDITORIALISTS EDITORIALIZES EDUCATIONESES EDUCATIONISTS
EDULCORATIONS EMOTIONALISED ENDOPARASITES ENDOPARASITIC ENDOPEPTIDASE
ENDOTHELIOMAS EPIDOTISATION ESOPHAGITIDES EUDAEMONISTIC EUDAIMONISTIC
EXHEREDATIONS EXOPEPTIDASES EXPEDITATIONS FACTIONALISED FARADISATIONS
FARADIZATIONS FELDSPATHOIDS FEUDALISATION FICTIONALISED FLUIDISATIONS
FLUIDIZATIONS FLUORIDATIONS FLUTTERBOARDS FOOTDRAGGINGS FOUNDATIONERS
FOUNTAINHEADS GALACTOSIDASE GASTEROPODOUS GEODYNAMICIST GLADIATORSHIP
GONADECTOMIES GONADOTROPINS GRANDIOSITIES GRANODIORITES HEMICHORDATES
HETERODACTYLS HEXADACTYLOUS HOMESTEADINGS HOMOSCEDASTIC HOTHEADEDNESS
HYBRIDISATION HYDNOCARPATES HYDRARTHROSES HYDRARTHROSIS HYDROGENATORS
HYDROLYSATION HYDROPATHISTS HYDROSOMATOUS HYDROSTATICAL HYDROSULPHATE
HYDROTHORACES HYDROTHORAXES HYPOACIDITIES ICHTHYOPSIDAN IDEALISATIONS
IDEALIZATIONS IDIOMATICNESS IDIOPLASMATIC IDIOSYNCRATIC IDIOTICALNESS
IMMODERATIONS IMPOSTHUMATED INADAPTATIONS INCONSIDERATE INDIVIDUATORS
INDOCTRINATES INDOMETHACINS INORDINATIONS INSUBORDINATE INTIMIDATIONS
INVALIDATIONS ISOANTIBODIES KITEBOARDINGS LEPIDOPTERANS LEUCOPLASTIDS
LOATHEDNESSES MACHAIRODONTS MADERISATIONS MADERIZATIONS MAGNITUDINOUS
MALADROITNESS MALTODEXTRINS MASTOIDECTOMY MASTOIDITIDES MASTOIDITISES
MEDIATISATION MEDIATORSHIPS MEDICAMENTOUS MELODRAMATICS MELODRAMATISE
MELODRAMATIST METAMORPHOSED METHODISATION MIDAFTERNOONS MISCATALOGUED
MISEDUCATIONS MODERATORSHIP MODERNISATION MODIFICATIONS MOLDABILITIES
MONODACTYLOUS MONOSATURATED MOUNTAINSIDES MYOCARDITISES MYXOEDEMATOUS
NEMATODIRUSES NICOTINAMIDES NIDIFICATIONS NOMADISATIONS NOMADIZATIONS
NONASSOCIATED NONBROADCASTS NONCANDIDATES NONEDITORIALS NONEDUCATIONS
NONINDUSTRIAL NONSEGREGATED NONVALIDITIES NORTHEASTWARD NORTHWESTWARD
NUCLEOTIDASES OBSTREPERATED OCCIDENTALISE OCCIDENTALISM OCCIDENTALIST
ODONATOLOGIES ODONATOLOGIST ODONTOBLASTIC ODONTOPHOBIAS ODONTOPHORANS
ORTHOPAEDISTS OUTDISTANCING OUTDOORSWOMAN OUTSTANDINGLY OUTWARDNESSES
OVERADJUSTING OVERADVERTISE OVERDECORATES OVERDRAMATICS OVERDRAMATISE
OVERESTIMATED OVERHARVESTED OVERMEDICATES OVERSATURATED PAEDOBAPTISMS
PAEDOBAPTISTS PAEDOTROPHIES PALINDROMISTS PALLIDOTOMIES PAROTIDITISES
PEDICULATIONS PENTACRINOIDS PENTADELPHOUS PENTAPLOIDIES PERIODICALIST
PERIODISATION PERISSODACTYL PEROXIDATIONS PHOSPHATIDYLS PHOTOCATHODES
PHOTODYNAMICS PHYTONADIONES PICTORIALISED PIDGINISATION PLASMODESMATA
PLASTERBOARDS PLATITUDINOUS PODSOLISATION PODSOLIZATION PODZOLISATION
POLITICALISED POLYDACTYLIES POLYDACTYLISM POLYDACTYLOUS POSTAPARTHEID
POSTDEBUTANTE POSTDILUVIANS POSTDOCTORALS POSTDOCTORATE POSTGRADUATES
POSTSECONDARY PREADOLESCENT PREADULTHOODS PREDATORINESS PREDESTINATOR
PREDOMINATORS PREMEDITATORS PREPONDERATES PRIVATDOCENTS PRIVATDOZENTS
PROCATHEDRALS PRODIGALITIES PROGRADATIONS PROPAEDEUTICS PROPAGANDISTS
PROSTAGLANDIN PROSTHODONTIA PROTERANDRIES PROTERANDROUS PSEUDOMARTYRS
PTERIDOMANIAS PTERODACTYLES QUADRISECTION RADIALISATION RADIATIONLESS
RADIOCHEMISTS RADIOELEMENTS RADIOISOTOPES RADIOISOTOPIC RADIOPACITIES
RADIOPHONISTS RADIOTHERMIES RADIOTHORIUMS RANDOMISATION READAPTATIONS
REBROADCASTED RECONSECRATED RECONSOLIDATE REDECORATIONS REDEDICATIONS
REFOUNDATIONS REORDINATIONS RESPONDENTIAS RETRANSFORMED REVALIDATIONS
RHABDOMANTIST RHODOMONTADES ROADABILITIES ROADWORTHIEST RODOMONTADERS
RUGGEDISATION SACERDOTALISE SACERDOTALISM SACERDOTALIST SACERDOTALIZE
SADOMASOCHIST SCLERODERMATA SCRATCHBOARDS SCROBICULATED SECTIONALISED
SECTIONALIZED SEDIMENTATION SEDITIONARIES SEMIAUTOMATED SHADOWCASTING
SKATEBOARDERS SKATEBOARDING SODOMITICALLY SOFTHEARTEDLY SOLDERABILITY
SOLIDUNGULATE SOMNAMBULATED SOPHISTICATED SOUNDTRACKING SOUTHEASTWARD
SOUTHWESTWARD SPEEDBOATINGS SPERMATOCIDAL SPERMATOCIDES SPERMATOZOIDS
SPLAYFOOTEDLY STADDLESTONES STADHOLDERATE STAKEHOLDINGS STANDOFFISHLY
STEAMROLLERED STEGANOPODOUS STEREOGRAPHED STERNOMASTOID STORYBOARDING
STRANGLEHOLDS STRIDULATIONS STROPHIOLATED SUBADOLESCENT SUBCONTRACTED
SUBDEACONATES SUBDIACONATES SUBFEUDATIONS SUBINDICATION SUBORDINATELY
SUBORDINATING SUBORDINATION SUBORDINATIVE SUBORDINATORS SUBSIDISATION
SUBSIDIZATION SUPERADDITION SUPERDIPLOMAT SUPERDOMINANT SUPEREROGATED
SUPERORDINATE SUPEROVULATED SUPERSTARDOMS SYCOPHANTISED SYCOPHANTIZED
SYMPTOMATISED SYMPTOMATIZED SYNARTHRODIAL TENDERISATION TETRADYNAMOUS
TETRAPLOIDIES THERMOSTATTED THIORIDAZINES THOUSANDFOLDS TRADESPEOPLES
TRADESPERSONS TRADITIONISTS TRADITIONLESS TRAGICOMEDIES TRANSDUCTIONS
TRANSPORTEDLY TRANSUDATIONS TRIPUDIATIONS TRISOCTAHEDRA TURACOVERDINS
TYRANNOSAURID UNADVENTUROUS UNCOMPENSATED UNCONSECRATED UNCONSTRAINED
UNCONSUMMATED UNDERCOATINGS UNDISSOCIATED UNDOMESTICATE UNDULATIONIST
UNMETABOLISED UNSTERCORATED UNTRANSFORMED VACATIONLANDS VALEDICTORIES
VANDALISATION VASODILATIONS VIDEOCASSETTE WATCHDOGGINGS WEATHERBOARDS
WOODCRAFTSMAN WOODCRAFTSMEN XANTHOCHROIDS XERODERMATOUS ZALAMBDODONTS
ZYGODACTYLISM ZYGODACTYLOUS