There are 706 thirteen-letter words containing A, D and 2S, https://www.bestwordlist.com/c/a/4/13letterwordswithadss.htm
ACCORDIONISTS ACIDOPHILUSES ADAPTABLENESS ADAPTEDNESSES ADDICTIVENESS
ADMINISTRANTS ADMINISTRATES ADMIRABLENESS ADMISSIBILITY ADMONISHMENTS
ADVENTURESSES ADVERBIALISES ADVERSARINESS ADVERSENESSES ADVISABLENESS
ADVISEDNESSES AECIDIOSPORES AEROSIDERITES AESTHETICISED ALDERMANSHIPS
ALDOLISATIONS ALDOSTERONISM AMBASSADORIAL ANAESTHETISED ANAPHRODISIAS
ANDROSPHINGES ANDROSPHINXES ANDROSTERONES ANECDOTALISMS ANECDOTALISTS
ANTISPASMODIC APFELSTRUDELS APOSTROPHISED ARCHDUCHESSES ARDUOUSNESSES
ARFVEDSONITES ASHAMEDNESSES ASSIDUOUSNESS ASSUREDNESSES ASTRODYNAMICS
ATTITUDINISES AUDACIOUSNESS AUDIBLENESSES AUDIOCASSETTE AUDIOMETRISTS
AUTODESTRUCTS AUTOSCHEDIASM AUTOSUGGESTED AVOIRDUPOISES AWKWARDNESSES
BACKSWORDSMAN BACKSWORDSMEN BACKWOODSIEST BALDERLOCKSES BAREFACEDNESS
BASIDIOSPORES BATTLEDRESSES BEARDEDNESSES BEARDLESSNESS BELATEDNESSES
BIGHEADEDNESS BLANDISHMENTS BLOATEDNESSES BOARDSAILINGS BODDHISATTVAS
BODYSNATCHERS BRADYKINESIAS BRASSFOUNDERS BRASSFOUNDING BREASTFEEDERS
BROADCASTINGS CADDISHNESSES CARBOHYDRASES CARDINALSHIPS CARDIOLOGISTS
CARDSHARPINGS CHONDROBLASTS CHONDROSTIANS COADJUTRESSES COADMINISTERS
COCCIDIOSTATS COMPACTEDNESS COMRADELINESS CONDENSATIONS CONQUISTADORS
CONSERVATISED CONSIDERABLES CONSIDERANCES CONSOLIDATORS CORDIALNESSES
CRABBEDNESSES CRAGGEDNESSES CROSSBANDINGS CUSTODIANSHIP CYCLODIALYSES
CYCLODIALYSIS CYCLOPAEDISTS CYTODIAGNOSES CYTODIAGNOSIS DAMPISHNESSES
DANGEROUSNESS DARLINGNESSES DARMSTADTIUMS DASTARDLINESS DASTARDNESSES
DAUNTLESSNESS DEACCESSIONED DEASPIRATIONS DEATHLESSNESS DEATHLINESSES
DEBASEDNESSES DEBAUCHEDNESS DECALESCENCES DECAPITALISES DECARBONISERS
DECASUALISING DECASYLLABICS DECASYLLABLES DECENTRALISES DECENTRALISTS
DECLASSIFYING DECOMPENSATES DECONGESTANTS DECONSECRATES DECRASSIFYING
DECRUSTATIONS DEERSTALKINGS DEFENESTRATES DEFIANTNESSES DEFLATIONISTS
DEGRADINGNESS DEIONISATIONS DELICATESSENS DEMAGNETISERS DEMANDINGNESS
DEMILITARISES DEMINERALISES DEMOCRATISERS DEMOGRAPHISTS DEMONETARISES
DEMONISATIONS DEMONSTRATORS DENATURALISES DENUCLEARISES DEPERSONALISE
DEPOSITATIONS DEPUTISATIONS DERMABRASIONS DESACRALISING DESALINATIONS
DESATURATIONS DESERTISATION DESEXUALISING DESIDERATIONS DESIDERATIVES
DESIRABLENESS DESPERATENESS DESPOLIATIONS DESQUAMATIONS DESTABILISERS
DESTABILISING DESTABILIZERS DESTIGMATIZES DESULPHURATES DETRACTRESSES
DEUTEROPLASMS DEVIATIONISMS DEVIATIONISTS DIALECTICISMS DIAMAGNETISMS
DIASTEREOMERS DIASTROPHISMS DICHROMATISMS DICTATORSHIPS DIESELISATION
DIGITISATIONS DIGRESSIONARY DILATABLENESS DILETTANTISMS DIMERISATIONS
DISACCHARIDES DISACCUSTOMED DISADVANTAGES DISADVENTURES DISAFFECTIONS
DISAFFILIATES DISAFFORESTED DISAGGREGATES DISAGREEABLES DISAGREEMENTS
DISALLOWANCES DISAMBIGUATES DISANNULLINGS DISANNULMENTS DISASSEMBLERS
DISASSEMBLIES DISASSEMBLING DISASSIMILATE DISASSOCIATED DISASSOCIATES
DISAUTHORISED DISAUTHORISES DISAUTHORIZES DISCANDERINGS DISCEPTATIONS
DISCEPTATIOUS DISCIPLINANTS DISCLAMATIONS DISCOGRAPHERS DISCOGRAPHIES
DISCOMEDUSANS DISCORDANCIES DISCORPORATES DISCREPANCIES DISCRIMINANTS
DISCRIMINATES DISEMBRANGLES DISENCHANTERS DISESTIMATION DISFRANCHISED
DISFRANCHISES DISGARNISHING DISGARRISONED DISGAVELLINGS DISGRADATIONS
DISGREGATIONS DISHARMONIOUS DISHARMONISED DISHARMONISES DISHARMONIZES
DISINFECTANTS DISINFESTANTS DISINFLATIONS DISINTEGRATES DISINTRICATES
DISNATURALISE DISOPERATIONS DISORGANISERS DISORGANISING DISORGANIZERS
DISORIENTATES DISPARATENESS DISPASSIONATE DISPAUPERISED DISPAUPERISES
DISPAUPERIZES DISPENSATIONS DISPLACEMENTS DISPLEASANCES DISPLEASANTED
DISPLEASINGLY DISPLEASURING DISPOSABILITY DISPOSITIONAL DISPRAISINGLY
DISPROPRIATES DISQUALIFIERS DISQUANTITIES DISSATISFYING DISSEMBLANCES
DISSEMINATING DISSEMINATION DISSEMINATIVE DISSEMINATORS DISSEPIMENTAL
DISSERTATIONS DISSEVERANCES DISSEVERATION DISSIMILARITY DISSIMILATING
DISSIMILATION DISSIMILATIVE DISSIMILATORY DISSIMULATING DISSIMULATION
DISSIMULATIVE DISSIMULATORS DISSOCIALISED DISSOCIALISES DISSOCIALIZED
DISSOCIALIZES DISSOCIATIONS DISSYLLABISMS DISTANTNESSES DISTASTEFULLY
DISTILLATIONS DISTRAINMENTS DISYLLABIFIES DITHYRAMBISTS DITRANSITIVES
DIVINISATIONS DOCTRINARISMS DOLICHOSAURUS DOMESTICATORS DRACONIANISMS
DRACUNCULUSES DRAFTSMANSHIP DRAFTSPERSONS DRAMATURGISTS DREADLESSNESS
DREAMLESSNESS DRINKABLENESS DUNNIEWASSALS DURABLENESSES DYNAMOGENESES
DYNAMOGENESIS DYSAESTHESIAS DYSMENORRHEAS EAVESDROPPERS EDITORIALISES
EDITORIALISTS EDUCATIONESES EDUCATIONISTS EGGHEADEDNESS EMBARRASSEDLY
ENDEARINGNESS ENDONUCLEASES ENDOPARASITES ENDURABLENESS ENGRAINEDNESS
EPANADIPLOSES EPANADIPLOSIS EQUIDISTANCES ESOPHAGITIDES ESSENTIALISED
ESSENTIALIZED ESTRANGEDNESS EXALTEDNESSES EXOPEPTIDASES FADDISHNESSES
FARADISATIONS FATHEADEDNESS FAVOREDNESSES FELDSPATHOIDS FIDEICOMMISSA
FLACCIDNESSES FLASHFORWARDS FLUIDISATIONS FOOLHARDINESS FORESHADOWERS
FORWARDNESSES FROWARDNESSES GALACTOSIDASE GANGSTERLANDS GASTEROPODOUS
GLADFULNESSES GORMANDISINGS GRADUALNESSES GRADUATESHIPS GRANDIOSENESS
GRANDIOSITIES GRANDSTANDERS GUARDEDNESSES GUARDIANSHIPS HADROSAURUSES
HAEMODIALYSES HAEMODIALYSIS HAEMOSIDERINS HAGGARDNESSES HAIRDRESSINGS
HAIRSBREADTHS HANDSBREADTHS HAPHAZARDNESS HARDSCRABBLES HARDSTANDINGS
HAUSSMANNISED HAUSSMANNIZED HAZARDOUSNESS HEADMISTRESSY HEADSHRINKERS
HISPANIOLISED HOMESTEADINGS HOMOSCEDASTIC HORSERADISHES HOTHEADEDNESS
HOUSEHUSBANDS HYDRARGYRISMS HYDRARTHROSES HYDRARTHROSIS HYDRASTININES
HYDROMASSAGES HYDROMEDUSANS HYDROPATHISTS HYDROSOMATOUS HYPOSPADIASES
IDEALISATIONS IDENTICALNESS IDIOMATICNESS IDIOTICALNESS IMMEDIATENESS
IMPASSIONEDLY INAUDIBLENESS INCANDESCENTS INCENDIARISMS INDISPENSABLE
INDISPENSABLY INDISSOCIABLE INDISSOCIABLY INDISSOLVABLE INDISSUADABLE
INDISSUADABLY INDUSTRIALISE INDUSTRIALISM INDUSTRIALIST INGRAINEDNESS
INTERRADIUSES INTERSTADIALS INVALIDNESSES ISOANTIBODIES KALEIDOSCOPES
LABOREDNESSES LADDISHNESSES LAGGARDNESSES LANGUIDNESSES LAPIDESCENCES
LEARNEDNESSES LEUCOPLASTIDS LOATHEDNESSES MADDENINGNESS MADEMOISELLES
MADERISATIONS MAIDISHNESSES MALADROITNESS MANSPREADINGS MASSARANDUBAS
MASSERANDUBAS MASTOIDITIDES MASTOIDITISES MAUDLINNESSES MEDIAEVALISMS
MEDIAEVALISTS MEDIATENESSES MEDIATORSHIPS MERCHANDISERS MISADDRESSING
MISADJUSTMENT MISADVENTURES MISAPPREHENDS MISCLASSIFIED MISDEMEANANTS
MISDEMEANOURS MISDIAGNOSING MISEDUCATIONS MISEMPHASISED MISEMPHASIZED
MISPERSUADING MISSIONARISED MISSIONARIZED MISTRANSLATED MISUNDERSTAND
MITHRIDATISES MITHRIDATISMS MOUNTAINSIDES MUCKSPREADERS MUNDANENESSES
MYOCARDITISES NEMATODIRUSES NEWSPAPERDOMS NIGGARDLINESS NOMADISATIONS
NONADMISSIONS NONASSOCIATED NONBROADCASTS NONCLASSIFIED NONRANDOMNESS
NONSINUSOIDAL NUCLEOCAPSIDS NUCLEOTIDASES OFFHANDEDNESS OMBUDSMANSHIP
ORTHOPAEDISTS OUTWARDNESSES OVERDIAGNOSES OVERDIAGNOSIS OVERIDEALISES
OVERPERSUADES PAEDOBAPTISMS PAEDOBAPTISTS PALINDROMISTS PARASCENDINGS
PARASITICIDES PARASPHENOIDS PARCHEDNESSES PARENTHESISED PAROTIDITISES
PEDESTRIANISE PEDESTRIANISM PERISSODACTYL PHOSPHATIDYLS PIGHEADEDNESS
PINHEADEDNESS PLASMODESMATA PLASTERBOARDS PODSOLISATION POSTDILUVIANS
POSTDOCTORALS POSTGRADUATES POSTSECONDARY PRASEODYMIUMS PREADMISSIONS
PREADMONISHES PREDATORINESS PREDESIGNATES PREDESTINATES PREDIABETESES
PROBOSCIDEANS PROBOSCIDIANS PROPAGANDISES PROPAGANDISMS PROPAGANDISTS
PSEUDIMAGINES PSEUDOALLELES PSEUDOCARPOUS PSEUDOCLASSIC PSEUDOMARTYRS
PSEUDOMONADES PSEUDOSCALARS RADIATIONLESS RADICALNESSES RADIESTHESIAS
RADIESTHESIST RADIOCHEMISTS RADIOISOTOPES RADIOPHONISTS READJUSTMENTS
READMINISTERS REESTABLISHED REGARDFULNESS RELATEDNESSES RELAXEDNESSES
RESPONDENTIAS RHABDOSPHERES RHABDOVIRUSES SACERDOTALISE SACERDOTALISM
SACERDOTALIST SADOMASOCHISM SADOMASOCHIST SAILBOARDINGS SALAMANDRIANS
SALAMANDROIDS SALICYLAMIDES SANDBLASTINGS SANDPAINTINGS SANDPAPERIEST
SANDPAPERINGS SCABBEDNESSES SCLERODERMIAS SCRAPERBOARDS SCRATCHBOARDS
SCRATCHBUILDS SCRIEVEBOARDS SCRIMSHANDERS SCRIMSHANDIED SCRIMSHANDIES
SECONDARINESS SECTARIANISED SECTIONALISED SEDENTARINESS SEDITIONARIES
SEMIARIDITIES SEMIDETACHEDS SEMIDIAMETERS SEMISEDENTARY SERODIAGNOSES
SERODIAGNOSIS SHADOWCASTING SHADOWINESSES SHAGGEDNESSES SHAREHOLDINGS
SHUFFLEBOARDS SKATEBOARDERS SLAVEHOLDINGS SLEDGEHAMMERS SLOCKDOLAGERS
SLUGGARDISING SLUGGARDLIEST SMALLHOLDINGS SNOWBOARDINGS SOLIFIDIANISM
SOPHISTICATED SOUTHEASTWARD SOUTHWESTWARD SPASMODICALLY SPATTERDASHES
SPEEDBALLINGS SPEEDBOATINGS SPEEDSKATINGS SPERMATOCIDES SPERMATOZOIDS
SPINDLESHANKS SPIRITUALISED SQUALIDNESSES STADDLESTONES STAKEHOLDINGS
STANDARDBREDS STANDARDISERS STANDARDISING STANDARDIZERS STANDOFFISHLY
STANDPATTISMS STEADFASTNESS STEEPLECHASED STEGANOPODOUS STEPDAUGHTERS
STERNOMASTOID STICKHANDLERS STIPENDIARIES STRAIGHTBREDS STRAIGHTEDGES
STRANGLEHOLDS STRIDULATIONS STUDDINGSAILS SUBACIDNESSES SUBADOLESCENT
SUBARACHNOIDS SUBCLASSIFIED SUBDEACONATES SUBDEACONRIES SUBDEACONSHIP
SUBDEBUTANTES SUBDIACONATES SUBDIVISIONAL SUBFEUDATIONS SUBINFEUDATES
SUBORDINARIES SUBORDINATORS SUBSIDIARIATS SUBSIDISATION SUBSIDIZATION
SUBSTANTIATED SULFADIAZINES SULPHADOXINES SULPHONAMIDES SUMMERSAULTED
SUPERSEDEASES SUPERSTARDOMS SURFBOARDINGS SWORDSMANSHIP SYCOPHANTISED
SYMPTOMATISED SYNADELPHITES SYNDACTYLISMS SYNDICALISTIC THOUSANDFOLDS
THREADINESSES TRADESCANTIAS TRADESPEOPLES TRADESPERSONS TRADITIONISTS
TRADITIONLESS TRADUCIANISMS TRADUCIANISTS TRANSCENDENTS TRANSDUCTANTS
TRANSDUCTIONS TRANSUDATIONS TRYPARSAMIDES UNADVISEDNESS UNASHAMEDNESS
UNASSIMILATED UNBIASSEDNESS UNCREATEDNESS UNDAUNTEDNESS UNDERCLASSMAN
UNDERCLASSMEN UNDEREMPHASES UNDEREMPHASIS UNDERPASSIONS UNDERSEALINGS
UNDERSTANDERS UNDERSTRATUMS UNDERSURFACES UNDISCUSSABLE UNDISGUISABLE
UNDISSOCIATED UNEMBARRASSED UNESTABLISHED UNGUARDEDNESS UNHANDINESSES
UNIMPASSIONED UNIVERSALISED UNLEARNEDNESS UNPARASITISED UNPASTEURISED
UNPLASTICISED UNREADINESSES UNSENSUALISED UNSENSUALIZED UNSPECIALISED
UNSTAIDNESSES UNSTEADFASTLY UNSTIGMATISED UNTAINTEDNESS UNTAMEDNESSES
UNWEARIEDNESS VASODILATIONS VAUDEVILLISTS VIDEOCASSETTE WAYWARDNESSES
WITHDRAWNNESS XENODIAGNOSES XENODIAGNOSIS YIELDABLENESS ZANTEDESCHIAS
ZIGZAGGEDNESS