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