There are 604 thirteen-letter words containing 2A, C, E and S, https://www.bestwordlist.com/c/a/5/13letterwordswithaaces.htm ABSTRACTIVELY ABYSSOPELAGIC ACADEMICALISM ACATAMATHESIA ACCELERATIONS ACCENTUATIONS ACCESSARINESS ACCIDENTALISM ACCLIMATISERS ACCLIMATIZERS ACCOUNTANCIES ACETALDEHYDES ACQUAINTANCES ADMINICULATES ADULARESCENCE AERIFICATIONS AEROACOUSTICS AEROMECHANICS AESTHETICALLY AESTHETICIANS AGRANULOCYTES AGRICHEMICALS AGROCHEMICALS ALCHEMISTICAL ALEMBICATIONS ALEXIPHARMICS ALKALESCENCES ALPHANUMERICS AMARANTACEOUS AMBIVALENCIES AMICABILITIES AMYGDALACEOUS ANALPHABETICS ANALYTICITIES ANECDOTALISMS ANECDOTALISTS ANENCEPHALIAS ANENCEPHALIES ANTICLERICALS ANTIDESICCANT ANTIDIABETICS ANTIMECHANIST ANTIPARTICLES APOCATASTASES APPRECIATIONS APPROPRIACIES APPURTENANCES AQUACEUTICALS ARACHNOLOGIES ARACHNOPHOBES ARBITRATRICES ARCHAEOLOGIES ARCHAEOLOGIST ARCHAEORNISES ARCHEGONIATES ARCHIPELAGOES ARISTOCRACIES AROMATICITIES ARTIFICIALISE ARUNDINACEOUS ASCERTAINABLE ASCERTAINABLY ASCERTAINMENT ASSEMBLAUNCES ASSOCIATESHIP ASSOCIATIVELY ASSUEFACTIONS ASTROMETRICAL ASYNDETICALLY ATHEISTICALLY ATMOSPHERICAL ATTRACTANCIES ATYPICALITIES AUDACIOUSNESS AUDIOCASSETTE AUTHENTICATES AUTOCATALYSED AUTOCATALYSES AUTOCATALYZES AUTOCEPHALIES AUTOCEPHALOUS AUTOSCHEDIASM AUTOSCHEDIAZE AVERRUNCATORS BACKSCATTERED BACKSCRATCHED BACKSCRATCHER BACKSCRATCHES BACTERIOSTATS BACTERISATION BANCASSURANCE BAREFACEDNESS BETACAROTENES BICAMERALISMS BICAMERALISTS BLADDERWRACKS BORAGINACEOUS BOTANOMANCIES BRACHYCEPHALS BRASSICACEOUS BREAKDANCINGS BUREAUCRACIES BUREAUCRATESE BUREAUCRATISE BUREAUCRATISM BUREAUCRATIST CABINETMAKERS CACKERMANDERS CAESAROPAPISM CALCARIFEROUS CALEFACTORIES CALENDARISING CALLIGRAPHERS CALLIGRAPHIES CALYCANTHUSES CAMERAPERSONS CAMPANOLOGERS CAMPANOLOGIES CAMPHORACEOUS CANCELLATIONS CANCERPHOBIAS CANDIDATESHIP CAPABLENESSES CAPACIOUSNESS CAPERCAILLIES CAPERCAILZIES CAPILLARITIES CAPNOGRAPHIES CARAVANSARIES CARAVANSERAIS CARBOHYDRASES CARBOHYDRATES CARDBOARDIEST CARDINALITIES CARDIOPATHIES CARDIOPLEGIAS CARNIVALESQUE CARPETBAGGERS CARRAGHEENANS CARRAGHEENINS CARTELISATION CARTOGRAPHERS CARTOGRAPHIES CASTABILITIES CASTELLATIONS CATECHISATION CATECHISTICAL CATERWAULINGS CAUSABILITIES CAUSATIVENESS CAUTERISATION CELIBATARIANS CEPHALISATION CEPHALOPODANS CERAUNOGRAPHS CHALAZOGAMIES CHALCANTHITES CHANGEAROUNDS CHARACTERISED CHARACTERISER CHARACTERISES CHARACTERISMS CHARACTERIZES CHARACTERLESS CHARLATANRIES CIRCUMAMBAGES CLAIRAUDIENTS CLAIRVOYANCES CLAMJAMPHRIES CLAPPERBOARDS CLASSICALNESS CLAVICEMBALOS CLEAVABLENESS CLEPTOMANIACS CLISHMACLAVER COACERVATIONS COADJACENCIES COASTGUARDMEN COCARBOXYLASE COENAESTHESIA COLLATERALISE COMANAGEMENTS COMMEASURABLE COMMENTARIATS COMPASSIONATE COMPLAISANCES CONFISCATABLE CONGRATULATES CONNATURALISE CONSERVATORIA CONSTRAINABLE CONTRAOCTAVES CONTRASEXUALS COPARCENARIES COPLANARITIES CRAFTSMANLIKE CRAPEHANGINGS CRASSULACEOUS CRYPTANALYSES CRYSTALISABLE CRYSTALIZABLE CYCLANDELATES DEACTIVATIONS DEARTICULATES DECAFFEINATES DECALCOMANIAS DECAPITALISED DECAPITALISES DECAPITALIZES DECAPITATIONS DECAPSULATING DECAPSULATION DECARBONATORS DECARBOXYLASE DECASUALISING DECASUALIZING DECASYLLABICS DECASYLLABLES DEGLACIATIONS DERACIALISING DERACINATIONS DESACRALISING DESACRALIZING DEXTROCARDIAS DIALECTICIANS DIATHERMACIES DIBRANCHIATES DILACERATIONS DISACCHARIDES DISAFFIRMANCE DISALLOWANCES DISAPPEARANCE DISARTICULATE DISASSOCIATED DISASSOCIATES DISCAPACITATE DISCHARGEABLE DISPLEASANCES ECOTARIANISMS ECTOPARASITES ECTOPARASITIC ELASMOBRANCHS ELASTICATIONS ELEPHANTIASIC EMANCIPATIONS EMASCULATIONS ENCAPSULATING ENCAPSULATION ENCARNALISING ENCAUSTICALLY ENCOMIASTICAL ENDOPARASITIC ENTOMOSTRACAN EPINASTICALLY EPISCOPALIANS ERGATOCRACIES ETHEROMANIACS EUPHAUSIACEAN EXACERBATIONS EXTRAVAGANCES EXTRAVASCULAR FACTIONALISED FACTIONALISES FACTIONALIZES FACTUALNESSES FANATICALNESS FANTASTICATED FANTASTICATES FARCICALITIES FASCICULATELY FLAMBOYANCIES FORECARRIAGES FRACTIONALISE GALACTAGOGUES GALACTOMETERS GALACTORRHEAS GALACTOSAEMIA GALACTOSAEMIC GALACTOSAMINE GALACTOSEMIAS GALACTOSIDASE GALVANOSCOPES GASTROMANCIES GENTIANACEOUS GERIATRICIANS GRAMMATICISED GRAMMATICISES GRAMMATICIZES GRAPHICALNESS GYNAECOMASTIA GYNECOMASTIAS HAEMODYNAMICS HAEMOPHILIACS HANDCRAFTSMEN HANDICRAFTERS HAPPENCHANCES HAPPENSTANCES HARDSCRABBLES HEMATOBLASTIC HEMIPARASITIC HEPTASYLLABIC HEXADACTYLOUS HOCHMAGANDIES HYDNOCARPATES HYPERSARCOMAS HYPOCALCEMIAS INARTICULATES INCAPABLENESS INCAPACITATES INCARCERATORS INCATENATIONS INCRASSATIVES INELASTICALLY INHABITANCIES INTERCALARIES INTERGLACIALS INTERSCAPULAR ISMATICALNESS JUGLANDACEOUS KAFFEEKLATSCH KERATOPLASTIC KLEPTOMANIACS LAPAROSCOPIES LOWERCLASSMAN MACHIAVELIANS MACROCLIMATES MAGNETOSTATIC MAGNOLIACEOUS MAJOLICAWARES MALACOPHILIES MANNERISTICAL MANUFACTORIES MANUFACTURERS MASTERCLASSES MASTICATORIES MATERIALISTIC MATERNALISTIC MATHEMATICISE MATHEMATICISM MATRIARCHATES MECAMYLAMINES MECHANICALISM MECHANISATION MEGACEPHALIES MEGACEPHALOUS MEGALOBLASTIC MEGALOCARDIAS MEGALOMANIACS MELANCHOLIACS MELODRAMATICS MEMBRANACEOUS MESATICEPHALY MESSIANICALLY METACERCARIAS METAPHYSICIAN METAPSYCHICAL METASILICATES METHACRYLATES MICROANALYSES MICROBALANCES MICROMANAGERS MICROPARASITE MISAPPRECIATE MISARTICULATE MISCALCULATED MISCALCULATES MISCATALOGUED MISCATALOGUES NANOPARTICLES NARCOANALYSES NECESSITARIAN NEOCAPITALISM NEOCAPITALIST NEURASTHENIAC NEUROVASCULAR NONASSOCIATED NONCANDIDATES NONCHARACTERS NONSECTARIANS NYMPHAEACEOUS OCTOGENARIANS ORACULARITIES OSTEOMALACIAL OSTEOMALACIAS OSTEOSARCOMAS OVERDRAMATICS OXALOACETATES PACKABILITIES PAEDOPHILIACS PALAEOCRYSTIC PANCYTOPENIAS PANTHEISTICAL PAPAVERACEOUS PARACYANOGENS PARALLELISTIC PARAMOUNTCIES PARAPSYCHOSES PARARESCUEMAN PARARESCUEMEN PARASCENDINGS PARASITICIDES PARASYNTHETIC PARFOCALITIES PAROCHIALISED PAROCHIALISES PAROCHIALIZES PARTICULARISE PATERNALISTIC PATRIARCHATES PEACEABLENESS PEDIATRICIANS PEIRASTICALLY PENTADACTYLES PENTASYLLABIC PENTAVALENCES PHARMACEUTICS PHARMACEUTIST PHARMACOPEIAS PIACULARITIES PLACABILITIES PLACENTATIONS PLANTOCRACIES POLYGALACEOUS PRACTICALNESS PREASSURANCES PRECAPITALIST PRECLEARANCES PREECLAMPSIAS PREFABRICATES PREVARICATORS PROCARBAZINES PROCATHEDRALS PROCELLARIANS PROCRASTINATE PROSAICALNESS PROSENCEPHALA PROSENCHYMATA PSEUDOSCALARS PSYCHASTHENIA PSYCHOANALYSE PSYCHOANALYZE QUADRAPLEGICS QUANGOCRACIES QUASIPARTICLE RACEMISATIONS RACEMIZATIONS RADICALNESSES RADIOPACITIES RAPACIOUSNESS RAREFICATIONS REACCELERATES REACCEPTANCES REACCLIMATISE REACTIONARIES REACTIONARISM REACTIONARIST REACTIVATIONS READMITTANCES REALISTICALLY REALLOCATIONS REAPPEARANCES REARTICULATES REATTACHMENTS REBROADCASTED RECALCITRANTS RECALCITRATES RECAPITALISED RECAPITALISES RECAPITALIZES RECAPITULATES REESCALATIONS RELANDSCAPING RETRACTATIONS RHABDOMANCERS RHABDOMANCIES SACCHARIMETER SACCHARIMETRY SACCHAROMETER SACCHAROMETRY SACCHAROMYCES SACERDOTALISE SACERDOTALISM SACERDOTALIST SACERDOTALIZE SACRAMENTALLY SACRIFICEABLE SAFECRACKINGS SAGACIOUSNESS SALACIOUSNESS SALICYLAMIDES SALVINIACEOUS SARCOPHAGUSES SARMENTACEOUS SATANICALNESS SATIRICALNESS SCALABILITIES SCANDALMONGER SCAPEGOATINGS SCAPEGOATISMS SCAPHOCEPHALI SCAPHOCEPHALY SCATTERATIONS SCATTERBRAINS SCENARISATION SCENARIZATION SCEUOPHYLACIA SCHEMATICALLY SCHIZAEACEOUS SCHOLASTICATE SCLERODERMATA SCLEROMALACIA SCRAPERBOARDS SCRATCHPLATES SEARCHABILITY SECOBARBITALS SECRETARIATES SECTARIANISED SECTARIANISES SECTARIANISMS SECTARIANIZED SECTARIANIZES SEMIABSTRACTS SEMIAUTOMATIC SEMICARBAZIDE SEMICARBAZONE SEMICLASSICAL SEMIPARASITIC SIMARUBACEOUS SOMNAMBULANCE SPEARCARRIERS SPECTACULARLY SPERMATICALLY SPERMATOCIDAL SPERMATOTHECA SPHACELATIONS STAGECOACHING STAGECOACHMAN STAGECOACHMEN STAYCATIONERS STRAIGHTLACED STRAITJACKETS STRAITLACEDLY STRATEGETICAL STRATEGICALLY STRATOCRACIES SUBAPPEARANCE SUBDEACONATES SUBDIACONATES SUBLANCEOLATE SULFACETAMIDE SUPERACCURATE SUSTENTACULAR SYMPATHETICAL SYNAPOSEMATIC SYSTEMATICIAN TACHYGRAPHERS TACHYGRAPHIES TACHYPHYLAXES TEACHABLENESS TECHNOMANIACS TETRABASICITY TETRADRACHMAS TETRASYLLABIC TETRAVALENCES THALASSAEMICS THEATRICALISE THEATRICALISM THROATLATCHES TRACEABLENESS TRACTABLENESS TRADESCANTIAS TRANSACTINIDE TRANSCRIBABLE TRANSCRIPTASE TRANSHUMANCES TRANSMITTANCE TRANSPARENCES TRANSPORTANCE TRISACCHARIDE TRISOCTAHEDRA ULTRADISTANCE UNACCEPTANCES UNASCERTAINED UNCAPITALISED UNCHASTISABLE UNCHASTIZABLE UNDERCLASSMAN UNICAMERALISM UNICAMERALIST UNMACADAMISED UNPURCHASABLE UNSEARCHABLES UNSPECTACULAR UNSTAUNCHABLE UPPERCLASSMAN VALPOLICELLAS VASCULARITIES VERNACULARISE VERNACULARISM VERNACULARIST VRAISEMBLANCE WAISTCOATEERS WEATHERCASTER ZANTEDESCHIAS