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