There are 614 fourteen-letter words containing A, D and 2S, https://www.bestwordlist.com/c/a/4/14letterwordswithadss.htm
ABSTRACTEDNESS ACADEMICALISMS ACCIDENTALISMS ACCIDENTALNESS ACCURSEDNESSES
ACCUSTOMEDNESS ADAPTATIONISTS ADAPTIVENESSES ADDICTEDNESSES ADDRESSABILITY
ADEQUATENESSES ADHESIVENESSES ADMEASUREMENTS ADMINISTRATORS ADMISSIBLENESS
ADORABLENESSES ADSCITITIOUSLY ADULARESCENCES ADVERTISEMENTS ADVISABILITIES
AFFECTEDNESSES AGRIFOODSTUFFS AGROINDUSTRIES ALDOSTERONISMS AMBASSADORSHIP
AMBASSADRESSES ANAPHRODISIACS ANDROCENTRISMS ANDRODIOECISMS ANIMADVERSIONS
ANISODACTYLOUS ANTIDEPRESSANT ANTIDEPRESSION ANTIDESICCANTS ANTIMODERNISTS
ANTIQUATEDNESS ANTISEPTICISED ANTISPASMODICS APPENDICITISES ARRONDISSEMENT
ASSORTEDNESSES ATTITUDINISERS AUDIOCASSETTES AUTOSCHEDIASMS AUTOSCHEDIAZES
BACKHANDEDNESS BACKWARDNESSES BANDERSNATCHES BANDSPREADINGS BASIDIOMYCETES
BASIDIOSPOROUS BASTARDISATION BIDDABLENESSES BIGHEARTEDNESS BILDUNGSROMANS
BLACKGUARDISMS BOARDERCROSSES BOARDINGHOUSES BONEHEADEDNESS BRASSFOUNDINGS
BREASTFEEDINGS BULLHEADEDNESS CADAVEROUSNESS CALCULATEDNESS CANDIDATESHIPS
CANDLESNUFFERS CANKEREDNESSES CARDIOCENTESES CARDIOCENTESIS CARDIOVERSIONS
CELEBRATEDNESS CHILDRENSWEARS CHLAMYDOSPORES CHONDROMATOSES CHONDROMATOSIS
CHONDROSAMINES CLAVICHORDISTS COADJUTORSHIPS COASTGUARDSMAN COASTGUARDSMEN
COMMANDERSHIPS COMPASSIONATED CONQUISTADORES CONSIDERATIONS CONSOLIDATIONS
CONTRABANDISMS CONTRABANDISTS CONTRACTEDNESS COORDINATENESS COSTARDMONGERS
COWARDLINESSES CREDENTIALISMS CREDITABLENESS CUSTODIANSHIPS DACTYLOSCOPIES
DAMNABLENESSES DAUGHTERLINESS DEACCESSIONING DEAMINISATIONS DEBONAIRNESSES
DECAPSULATIONS DECARBOXYLASES DECEIVABLENESS DECHRISTIANISE DECLASSIFIABLE
DECORATIVENESS DECRIMINALISES DEFEASIBLENESS DEFORESTATIONS DEGENERATENESS
DEHYDROGENASES DELECTABLENESS DELIBERATENESS DELICATENESSES DEMATERIALISES
DEMINERALISERS DEMONSTRATIONS DEMONSTRATIVES DENATIONALISES DENSIFICATIONS
DEODORISATIONS DEOXIDISATIONS DEPENDABLENESS DEPERSONALISED DEPERSONALISES
DEPERSONALIZES DEPLORABLENESS DEPRAVEDNESSES DEREALISATIONS DERIVATIONISTS
DERIVATIVENESS DERMATOLOGISTS DEROGATORINESS DESALINISATION DESEGREGATIONS
DESERTISATIONS DESERTIZATIONS DESIRABILITIES DESOBLIGEANTES DESOLATENESSES
DESPICABLENESS DESPIRITUALISE DESPOTICALNESS DESPOTOCRACIES DESQUAMATORIES
DESULFURATIONS DETACHEDNESSES DETAILEDNESSES DETESTABLENESS DEUTERAGONISTS
DEUTEROGAMISTS DEVOTIONALISTS DEVOTIONALNESS DEXAMETHASONES DIABETOLOGISTS
DIABOLICALNESS DIAGEOTROPISMS DIAGNOSTICIANS DIAPHANOUSNESS DIAZOTISATIONS
DIESELISATIONS DIESELIZATIONS DILATORINESSES DILETTANTEISMS DIOSCOREACEOUS
DISACCHARIDASE DISACCUSTOMING DISADVENTUROUS DISAFFIRMANCES DISAFFORESTING
DISAPPEARANCES DISARTICULATES DISASSIMILATED DISASSIMILATES DISASSOCIATING
DISASSOCIATION DISAUTHORISING DISCAPACITATES DISCOLORATIONS DISCONSOLATELY
DISCONSOLATION DISCRIMINATORS DISDAINFULNESS DISEASEDNESSES DISEMBARKMENTS
DISEMBARRASSED DISEMBARRASSES DISENABLEMENTS DISENCHANTRESS DISENFRANCHISE
DISENGAGEDNESS DISENGAGEMENTS DISENTAILMENTS DISESTABLISHED DISESTABLISHES
DISESTIMATIONS DISFIGURATIONS DISFORESTATION DISFRANCHISING DISGARRISONING
DISHABILITATES DISHARMONISING DISILLUMINATES DISILLUSIONARY DISIMPASSIONED
DISINFESTATION DISINTEGRATORS DISINTOXICATES DISINVIGORATES DISMANTLEMENTS
DISMAYEDNESSES DISNATURALISED DISNATURALISES DISNATURALIZES DISOBLIGATIONS
DISPARAGEMENTS DISPAUPERISING DISPENSABILITY DISPENSATIONAL DISPENSATIVELY
DISPENSATORIES DISPENSATORILY DISPLANTATIONS DISPLEASANTING DISPLEASEDNESS
DISPOSABLENESS DISPURVEYANCES DISPUTABLENESS DISPUTATIOUSLY DISQUISITIONAL
DISREPUTATIONS DISRESPECTABLE DISSATISFIEDLY DISSEMINATIONS DISSERTATIONAL
DISSERVICEABLE DISSEVERATIONS DISSIMILATIONS DISSIMULATIONS DISSIPATEDNESS
DISSOCIABILITY DISSOCIALISING DISSOCIALITIES DISSOCIALIZING DISSOLVABILITY
DISSUASIVENESS DISSYLLABIFIED DISSYLLABIFIES DISSYMMETRICAL DISTRACTEDNESS
DISTRIBUTARIES DIURETICALNESS DOCTRINAIRISMS DOCUMENTALISTS DOCUMENTARISES
DOCUMENTARISTS DODECAPHONISMS DODECAPHONISTS DOGMATICALNESS DOGMATISATIONS
DOLLARISATIONS DOMESTICATIONS DOSIMETRICIANS DOUBLESPEAKERS DOWNWARDNESSES
DRACUNCULIASES DRACUNCULIASIS DRAFTSMANSHIPS DRAMATISATIONS DRAUGHTINESSES
DRAUGHTSPERSON DRAWLINGNESSES DREADFULNESSES DREAMFULNESSES DUNDERHEADISMS
DWARFISHNESSES DYSMENORRHOEAS EAVESDROPPINGS EDACIOUSNESSES EDITORIALISERS
EDUCATEDNESSES ENDOCARDITISES ENDOPARASITISM ENDOPEPTIDASES ENHYPOSTATISED
ENLARGEDNESSES EPIDOTISATIONS EVENHANDEDNESS EVERYDAYNESSES FARFETCHEDNESS
FARSIGHTEDNESS FASTIDIOUSNESS FAVOUREDNESSES FEUDALISATIONS FOREHANDEDNESS
FORESHADOWINGS FORMIDABLENESS FOUNDATIONLESS FRAUDULENTNESS FREEHANDEDNESS
GALACTOSIDASES GELANDESPRUNGS GEODYNAMICISTS GLADIATORSHIPS GLADSOMENESSES
GLUCURONIDASES GRADABLENESSES GRANDSTANDINGS HABERDASHERIES HAEMODIALYSERS
HALFWITTEDNESS HALLOWEDNESSES HAMPEREDNESSES HANDSOMENESSES HARDHANDEDNESS
HARDHEADEDNESS HARDINGGRASSES HARPSICHORDIST HEADLESSNESSES HEADMASTERSHIP
HEADMISTRESSES HEADSTRONGNESS HEREDITARINESS HEXOSAMINIDASE HYALURONIDASES
HYBRIDISATIONS HYDROACOUSTICS HYDROLYSATIONS HYDROSULPHATES ICHTHYOPSIDANS
IDIOSYNCRASIES IDOLATROUSNESS IMMODERATENESS IMPERSONALISED INADEQUATENESS
INCANDESCENCES INCIDENTALNESS INDELICATENESS INDESCRIBABLES INDISPENSABLES
INDIVIDUALISES INDIVIDUALISMS INDIVIDUALISTS INDUSTRIALISED INDUSTRIALISES
INDUSTRIALISMS INDUSTRIALISTS INDUSTRIALIZES INFLATEDNESSES INORDINATENESS
INSUBORDINATES ISOCARBOXAZIDS LABOUREDNESSES LADYLIKENESSES LANDLESSNESSES
LANDOWNERSHIPS LAUDABLENESSES LOGODAEDALUSES LONGHEADEDNESS MAIDENLINESSES
MALADJUSTMENTS MALADMINISTERS MALODOROUSNESS MANIFOLDNESSES MEASUREDNESSES
MEDIATISATIONS MEDITATIVENESS MELODRAMATISES MELODRAMATISTS MENDACIOUSNESS
MERCHANDISINGS METAPHYSICISED METHODICALNESS METHODISATIONS MISADJUSTMENTS
MISADVENTURERS MISADVENTUROUS MISADVERTENCES MISADVISEDNESS MISTRANSCRIBED
MISUNDERSTANDS MODERATENESSES MODERATORSHIPS MODERNISATIONS MODIFIABLENESS
MORDACIOUSNESS NEMATODIRIASES NEMATODIRIASIS NEURAMINIDASES NEWFANGLEDNESS
NONCLASSIFIEDS NONESTABLISHED NONINDUSTRIALS NORTHEASTWARDS NORTHWESTWARDS
OBDURATENESSES OCCIDENTALISES OCCIDENTALISMS OCCIDENTALISTS ODONATOLOGISTS
OMBUDSMANSHIPS OPENHANDEDNESS ORCHARDGRASSES ORDINARINESSES OSTEODERMATOUS
OUTDATEDNESSES OUTLANDISHNESS OVERADVERTISES OVERCLASSIFIED OVERDRAMATISES
OVEREMPHASISED OVERFASTIDIOUS PAEDOMORPHISMS PAEDOMORPHOSES PAEDOMORPHOSIS
PAMPEREDNESSES PARDONABLENESS PEDESTRIANISED PEDESTRIANISES PEDESTRIANISMS
PEDESTRIANIZES PENDRAGONSHIPS PERICARDITISES PERIODICALISTS PERIODISATIONS
PERISSODACTYLE PERISSODACTYLS PHILADELPHUSES PIDGINISATIONS PLATITUDINISES
PODSOLISATIONS PODSOLIZATIONS PODZOLISATIONS POLYDACTYLISMS POLYDAEMONISMS
POSTADOLESCENT POSTDOCTORATES POSTINDUSTRIAL PREADOLESCENTS PREDACEOUSNESS
PREDACIOUSNESS PREDESTINATORS PREDICABLENESS PREESTABLISHED PREPAREDNESSES
PRIMORDIALISMS PROPAGANDISERS PROSTAGLANDINS PROSTHODONTIAS PROTRACTEDNESS
PRUDENTIALISMS PRUDENTIALISTS PSEUDAESTHESIA PSEUDARTHROSES PSEUDARTHROSIS
PSEUDEPIGRAPHS PSEUDOCLASSICS PSEUDOGRAPHIES PSYCHOANALYSED PSYCHODYNAMICS
QUADRISECTIONS RADIALISATIONS RADIESTHESISTS RADIORESISTANT RADIOSENSITISE
RADIOSENSITIVE RADIOSENSITIZE RADIOSURGERIES RANDOMISATIONS READABLENESSES
RECONSOLIDATES RECRYSTALLISED REDEEMABLENESS REGARDLESSNESS REHOSPITALISED
RESIDENTIARIES RESTRAINEDNESS RESYSTEMATISED RESYSTEMATIZED REWARDABLENESS
RHABDOMANTISTS RHABDOMYOLYSES RHABDOMYOLYSIS ROADWORTHINESS ROUNDABOUTNESS
RUGGEDISATIONS SACERDOTALISED SACERDOTALISES SACERDOTALISMS SACERDOTALISTS
SACERDOTALIZES SADOMASOCHISMS SADOMASOCHISTS SANSCULOTTIDES SCALENOHEDRONS
SCANDALISATION SCANDALMONGERS SCANDALOUSNESS SCHADENFREUDES SCHOOLMASTERED
SCRAGGEDNESSES SCRIMSHANDERED SCRIMSHANDYING SEDIMENTATIONS SEMICARBAZIDES
SEMIDARKNESSES SERODIAGNOSTIC SESQUIPEDALIAN SESQUIPEDALITY SHADOWCASTINGS
SHADOWGRAPHIES SHAMEFACEDNESS SHERARDISATION SHILLYSHALLIED SINDONOPHANIES
SKATEBOARDINGS SLANDEROUSNESS SLUGGARDLINESS SLUGGARDNESSES SNOWBOARDCROSS
SOFTHEADEDNESS SOLIDUNGULATES SOLIFIDIANISMS SOREHEADEDNESS SOUTHEASTWARDS
SOUTHWESTWARDS SPORADICALNESS SQUANDERMANIAS STADHOLDERATES STADHOLDERSHIP
STAPEDECTOMIES STARCHEDNESSES STEDFASTNESSES STERNOMASTOIDS STICKHANDLINGS
STRANDEDNESSES STRUCTURALISED SUBADOLESCENTS SUBCATEGORISED SUBDEACONSHIPS
SUBDEPARTMENTS SUBINDICATIONS SUBMANDIBULARS SUBORDINANCIES SUBORDINATIONS
SUBSIDIARINESS SUBSIDIARITIES SUBSIDISATIONS SUBSIDIZATIONS SUBSPECIALISED
SUBSPECIALIZED SUBSTANTIVISED SUBSTANTIVIZED SULFACETAMIDES SULFADIMIDINES
SULFANILAMIDES SULPHADIAZINES SUPERADDITIONS SUPERCALENDERS SUPERDAINTIEST
SUPERDELEGATES SUPERDIPLOMATS SUPERDOMINANTS SUPERHUMANISED SUPERINSULATED
SUPERORDINATES SUPERSATURATED SUSPERCOLLATED SWEATERDRESSES SWORDSMANSHIPS
TENDERISATIONS THREADBARENESS THUNDERFLASHES TOWARDLINESSES TRANSACTINIDES
TRANSCENDENCES TRANSGENDERISM TRANSISTORISED TRANSISTORIZED TRISACCHARIDES
TYRANNOSAURIDS UNAFFECTEDNESS UNANESTHETISED UNBIASEDNESSES UNCANDIDNESSES
UNCRYSTALLISED UNDENIABLENESS UNDERDIAGNOSES UNDERDIAGNOSIS UNDEREMPHASISE
UNDERESTIMATES UNDERSTAFFINGS UNDERSTANDINGS UNDERSTRAPPERS UNDOMESTICATES
UNDULATIONISTS UNFADINGNESSES UNHANDSOMENESS UNPREPAREDNESS UNREADABLENESS
UNSEASONEDNESS UNSTANDARDISED UNSTEADINESSES UNSYSTEMATISED UNSYSTEMATIZED
UNTOWARDLINESS UNTOWARDNESSES UNWASHEDNESSES UPSTANDINGNESS VANDALISATIONS
VIDEOCASSETTES VINDICATRESSES VOIDABLENESSES ZYGODACTYLISMS