There are 449 thirteen-letter words containing 2A, D, E and I, https://www.bestwordlist.com/c/a/5/13letterwordswithaadei.htm ACADEMICALISM ACCIDENTALISM ACCIDENTALITY ACCOMMODATIVE ACCREDITATION ACETAZOLAMIDE ACIDIMETRICAL ADIATHERMANCY ADMINICULATED ADMINICULATES ADMINISTRABLE ADMINISTRATED ADMINISTRATES ADMIRABLENESS ADORABILITIES ADULTERATIONS ADUMBRATIVELY ADVERBIALISED ADVERBIALISES ADVERBIALIZED ADVERBIALIZES ADVERSARINESS ADVERSATIVELY ADVISABLENESS AERODYNAMICAL ALDERMANITIES ALDERMANLIEST ALDERMANSHIPS ANAESTHETISED ANAESTHETIZED ANATHEMATISED ANATHEMATIZED ANECDOTALISMS ANECDOTALISTS ANECDOTICALLY ANIMADVERSION ANIMADVERTERS ANIMADVERTING ANTEDILUVIANS ANTIANDROGENS ANTIAPARTHEID ANTIDESICCANT ANTIDIABETICS ANTIDIARRHEAL ANTIPREDATORY APERIODICALLY APPENDICULATE ARCHIMANDRITE ARUNDINACEOUS ASYNDETICALLY AUDACIOUSNESS AUDIOCASSETTE AUTHENTICATED AUTOSCHEDIASM AUTOSCHEDIAZE BACKPEDALLING BACTERIOCIDAL BANDSPREADING BIODEGRADABLE BRADYKINESIAS BREADBOARDING BREAKDANCINGS CALENDARISING CALENDARIZING CANALICULATED CANDIDATESHIP CARDBOARDIEST CARDINALITIES CARDIOGRAPHER CARDIOPATHIES CARDIOPLEGIAS CHARACTERISED CHARACTERIZED CHATEAUBRIAND CLAIRAUDIENCE CLAIRAUDIENTS COADJACENCIES COEDUCATIONAL CYANOGENAMIDE DAMAGEABILITY DAMNABILITIES DARRAIGNMENTS DASTARDLINESS DATAVEILLANCE DEACTIVATIONS DEAMINISATION DEAMINIZATION DEARTICULATED DEARTICULATES DEASPIRATIONS DECAFFEINATED DECAFFEINATES DECALCOMANIAS DECAPITALISED DECAPITALISES DECAPITALIZED DECAPITALIZES DECAPITATIONS DECAPSULATING DECAPSULATION DECARBONATING DECARBONATION DECARBURATION DECASUALISING DECASUALIZING DECASYLLABICS DECLAMATORILY DECLARATIVELY DECLARATORILY DECLINATIONAL DECONTAMINANT DECONTAMINATE DEDRAMATISING DEDRAMATIZING DEFAMILIARIZE DEFLAGRATIONS DEFORMATIONAL DEFRAUDATIONS DEGLACIATIONS DEGRADABILITY DEGRANULATION DELAMINATIONS DEMAGOGICALLY DEMATERIALISE DEMATERIALIZE DEMOGRAPHICAL DENATIONALISE DENATIONALIZE DENATURALISED DENATURALISES DENATURALIZED DENATURALIZES DENATURATIONS DEPAUPERATING DERACIALISING DERACIALIZING DERACINATIONS DEREALISATION DEREALIZATION DERMABRASIONS DERMAPLANINGS DESACRALISING DESACRALIZING DESALINATIONS DESATURATIONS DESQUAMATIONS DETACHABILITY DETERMINANTAL DEUTERANOPIAS DEVASTATINGLY DEXTROCARDIAC DEXTROCARDIAS DIALECTICALLY DIALECTICIANS DIALYPETALOUS DIAMAGNETISMS DIAMETRICALLY DIAPHANEITIES DIAPHANOMETER DIATHERMACIES DIATHERMANOUS DIAZOMETHANES DIBRANCHIATES DIEFFENBACHIA DIFFARREATION DILACERATIONS DILATABLENESS DISACCHARIDES DISADVANTAGED DISADVANTAGES DISAFFILIATED DISAFFILIATES DISAFFIRMANCE DISAGGREGATED DISAGGREGATES DISAGREEABLES DISALLOWANCES DISAMBIGUATED DISAMBIGUATES DISAPPARELLED DISAPPEARANCE DISARTICULATE DISASSIMILATE DISASSOCIATED DISASSOCIATES DISCAPACITATE DISCHARGEABLE DISHABILITATE DISNATURALISE DISNATURALIZE DISPARAGEMENT DISPARATENESS DISPASSIONATE DISPLEASANCES DISPLEASANTED DOCUMENTARIAN DRAGGLETAILED DRAPABILITIES DUNNIEWASSALS DYSAESTHESIAS EDUCATABILITY EDUCATIONALLY ENANTIODROMIA ENCYCLOPAEDIA ENDOPARASITES ENDOPARASITIC ENSANGUINATED EPANADIPLOSES EPANADIPLOSIS EXPANDABILITY EXSANGUINATED EXTRAJUDICIAL EXTRAORDINARY FACTIONALISED FACTIONALIZED FANTASTICATED FEUDALISATION FEUDALIZATION FOUNTAINHEADS GALACTOSIDASE GRADABILITIES GRADUATESHIPS GRAMMATICISED GRAMMATICIZED HAEMODIALYSER HAEMODIALYSES HAEMODIALYSIS HAEMODIALYZER HAEMODYNAMICS HAEMORRHOIDAL HAIRSBREADTHS HANDICRAFTERS HAPHAZARDRIES HARLEQUINADES HAUSSMANNISED HAUSSMANNIZED HEBDOMADARIES HEPTADECANOIC HEREDITARIANS HEXAGRAMMOIDS HOCHMAGANDIES HOLIDAYMAKERS HOUGHMAGANDIE HYALURONIDASE HYPOSPADIASES IDEALISATIONS IDEALIZATIONS IDEOGRAMMATIC IDEOGRAPHICAL INCAPACITATED INDEFATIGABLE INDEFATIGABLY INDISSUADABLE INTERRADIALLY INTERSTADIALS INTRADERMALLY LAMPADEPHORIA LANDGRAVIATES LAUDABILITIES LOGODAEDALIES MADERISATIONS MADERIZATIONS MADRIGALESQUE MALADAPTIVELY MALADMINISTER MALADROITNESS MANSPREADINGS MAXILLIPEDARY MEDIAEVALISMS MEDIAEVALISTS MEDIATISATION MEDIATIZATION MEDIATORIALLY MEDICAMENTARY MEDITERRANEAN MEGALOCARDIAS MELODRAMATICS MELODRAMATISE MELODRAMATIST MELODRAMATIZE MISCALCULATED MISCATALOGUED MISDEMEANANTS MISTRANSLATED MULTIGRAVIDAE MULTIWARHEADS NEURAMINIDASE NONACCIDENTAL NONAFFILIATED NONASSOCIATED NONCANDIDATES NONDIALYSABLE NONDIALYZABLE NONIRRADIATED NORADRENALINE NORADRENALINS ORTHOPAEDICAL OVERDRAMATICS OVERDRAMATISE OVERDRAMATIZE PAEDIATRICIAN PAEDOBAPTISMS PAEDOBAPTISTS PAEDOPHILIACS PANDAEMONIUMS PANDEMONIACAL PANRADIOMETER PARADOXURINES PARAMETERISED PARAMETERIZED PARASCENDINGS PARASITICIDES PARASPHENOIDS PAROCHIALISED PAROCHIALIZED PARTICLEBOARD PEDAGOGICALLY PEDANTOCRATIC PEDIATRICIANS PEDICELLARIAE PENTADACTYLIC POSTAPARTHEID PRAEDIALITIES PREACQUAINTED PREADAPTATION PREDICAMENTAL PREFABRICATED PREMANDIBULAR PRIMIGRAVIDAE PROPAGANDISED PROPAGANDISER PROPAGANDISES PROPAGANDIZED PROPAGANDIZER PROPAGANDIZES PTERIDOMANIAS QUADRAGESIMAL QUADRAPHONIES QUADRAPLEGIAS QUADRAPLEGICS QUADRENNIALLY QUADRIFOLIATE QUADRIGEMINAL QUADRILATERAL QUADRILITERAL QUADRINGENARY QUADRIPARTITE QUADRIPLEGIAS QUADRIVALENCE QUADRIVALENCY QUADRIVALENTS QUADRUMVIRATE QUADRUPLICATE QUARTODECIMAN RADIATIONLESS RADICALNESSES RADIESTHESIAS RADIOACTIVATE RADIOACTIVELY RADIOCHEMICAL RADIOGRAPHERS RADIOGRAPHIES RADIOLABELING RADIOLABELLED RADIOPACITIES RADIOTELEGRAM RATTLEBRAINED READABILITIES READAPTATIONS READMITTANCES REARTICULATED RECALCITRATED RECAPITALISED RECAPITALIZED RECAPITULATED REHABILITATED RELANDSCAPING REVALIDATIONS RHABDOMANCIES RHADAMANTHINE ROADABILITIES SACERDOTALISE SACERDOTALISM SACERDOTALIST SACERDOTALIZE SALICYLAMIDES SANDPAPERIEST SANDPAPERINGS SECTARIANISED SECTARIANIZED SEMIAUTOMATED SEMICARBAZIDE SKATEBOARDING SPERMATOCIDAL SPREADABILITY SQUANDERMANIA STANDARDISERS STANDARDIZERS STAPHYLINIDAE STRAIGHTLACED STRAITLACEDLY SUBDIACONATES SUBSTANTIATED SULFACETAMIDE SULFADIAZINES SULFANILAMIDE SULPHADIAZINE THIABENDAZOLE THIOCARBAMIDE TRADESCANTIAS TRADESMANLIKE TRANSACTINIDE TRANSMIGRATED TRISACCHARIDE TRISOCTAHEDRA TRYPARSAMIDES ULTRADISTANCE ULTRARAREFIED ULTRAWIDEBAND UNABBREVIATED UNACCOMPANIED UNADJUDICATED UNANTICIPATED UNAPPRECIATED UNARTICULATED UNASCERTAINED UNASSIMILATED UNCAPITALISED UNCAPITALIZED UNDERCARRIAGE UNDERDRAINAGE UNDIAGNOSABLE UNDIALECTICAL UNINAUGURATED UNMACADAMISED UNMACADAMIZED UNMANIPULATED UNNATURALISED UNNATURALIZED UNPARASITISED UNPARASITIZED UNREADABILITY VALEDICTORIAN VAUDEVILLEANS VAUDEVILLIANS WAKEBOARDINGS WALLYDRAIGLES WATERBOARDING ZANTEDESCHIAS