There are 912 thirteen-letter words containing A, C, 2E and T, https://www.bestwordlist.com/c/a/5/13letterwordswithaceet.htm ACCELERATIONS ACCELEROMETER ACCEPTINGNESS ACCEPTIVITIES ACCOUCHEMENTS ACCOUPLEMENTS ACCOUSTREMENT ACCOUTERMENTS ACCOUTREMENTS ACCUSTREMENTS ACETALDEHYDES ACETAMINOPHEN ACETAZOLAMIDE ACETONITRILES ACETYLCHOLINE ACINETOBACTER ACQUIESCENTLY ACTINOMETRIES ACTINOMYCETES ADDICTIVENESS ADENOIDECTOMY ADRENALECTOMY ADRENOCEPTORS AEROSTRUCTURE AESTHETICALLY AESTHETICIANS AESTHETICISED AESTHETICISES AESTHETICISMS AESTHETICISTS AESTHETICIZED AESTHETICIZES AETHRIOSCOPES AFFECTIONLESS AFFECTIVENESS AFFECTIVITIES ALCOHOLOMETER ALLERGENICITY AMNIOCENTESES AMNIOCENTESIS ANCIENTNESSES ANEMOMETRICAL ANGLETWITCHES ANNOUNCEMENTS ANTICELLULITE ANTICIGARETTE ANTIELECTRONS ANTIEPILEPTIC ANTIPESTICIDE ANTIRECESSION ANTIREJECTION ANTISEPTICISE ANTISEPTICIZE APPENDICULATE APPERCEPTIONS APPERTAINANCE APPURTENANCES ARAEOMETRICAL ARCHAEOMETRIC ARCHAEOPTERYX ARCHEGONIATES ARCHEOMETRIES ARCHITECTURES ARTHRECTOMIES ASCERTAINABLE ASCERTAINMENT ASTRINGENCIES AUCTIONEERING AUDIOCASSETTE AUTHENTICATED AUTHENTICATES AUTOCEPHALIES AUTOCOMPLETES AUTOCORRECTED AUTOSCHEDIAZE BACCALAUREATE BACHELORETTES BACKSCATTERED BACKSTRETCHES BACTERIOCIDES BACTERIOLYSES BACTERIOPHAGE BARORECEPTORS BASIDIOMYCETE BENEDICTIONAL BENEFICENTIAL BENEFICIATING BENEFICIATION BENTHOPELAGIC BETACAROTENES BICENTENARIES BICENTENNIALS BIOELECTRICAL BLASTOGENETIC BUREAUCRATESE BUREAUCRATISE BUREAUCRATIZE CABINETMAKERS CALCIPOTRIENE CALEFACTORIES CALORIMETRIES CANCELLARIATE CANDLELIGHTED CANDLELIGHTER CANTILEVERING CAPELLMEISTER CAPPERNOITIES CARDIOVERTERS CARPETBAGGERS CARPETBAGGERY CARPETMONGERS CARYOPTERISES CATECHOLAMINE CATECHUMENATE CATECHUMENISM CATEGOREMATIC CATEGORIZABLE CATERCORNERED CATHETERISING CATHETERIZING CATHETOMETERS CATHIODERMIES CATTISHNESSES CAULIFLOWERET CAUSATIVENESS CAUSTICNESSES CELLULARITIES CENTRICALNESS CENTRIPETALLY CENTUMVIRATES CENTUPLICATED CENTUPLICATES CEPHALOMETERS CEPHALOMETRIC CEPHALOTOMIES CEREBROTONIAS CEREMONIALIST CESAREVITCHES CESAREWITCHES CETEOSAURUSES CHALICOTHERES CHAPTERHOUSES CHARACTERISED CHARACTERISER CHARACTERISES CHARACTERIZED CHARACTERIZER CHARACTERIZES CHARACTERLESS CHARIOTEERING CHASTISEMENTS CHEESETASTERS CHIEFTAINCIES CHIEFTAINRIES CHIMNEYBREAST CHLOROMETHANE CHOLESTERATES CINEMATHEQUES CLANDESTINELY CLEISTOGAMIES CLEPTOCRACIES CLEVERALITIES COADJUTRESSES COELENTERATES COENAESTHESES COENAESTHESIA COENAESTHESIS COENENCHYMATA COENESTHESIAS COESSENTIALLY COGENERATIONS COGNATENESSES COINHERITANCE COLDHEARTEDLY COLINEARITIES COLLATERALISE COLLATERALIZE COLLECTORATES COMANAGEMENTS COMBATIVENESS COMMEMORATIVE COMMISERATIVE COMMUNICATEES COMPACTEDNESS COMPACTNESSES COMPARTMENTED COMPELLATIVES COMPLEMENTARY CONCELEBRANTS CONCELEBRATED CONCELEBRATES CONCENTRATIVE CONCEPTUALISE CONCEPTUALIZE CONCERTMASTER CONFEDERATING CONFEDERATION CONFEDERATIVE CONGLOMERATED CONGLOMERATES CONJECTURABLE CONJUGATENESS CONNATENESSES CONSECTANEOUS CONSENTANEITY CONSENTANEOUS CONSEQUENTIAL CONSERVATISED CONSERVATISES CONSERVATIVES CONSERVATIZED CONSERVATIZES CONSERVATOIRE CONSIDERATELY CONSIDERATIVE CONTABESCENCE CONTAINERISED CONTAINERISES CONTAINERIZED CONTAINERIZES CONTAINERLESS CONTEMPLATIVE CONTEXTUALISE CONTEXTUALIZE CONTRACEPTIVE CONTRAGESTIVE CONTRARIETIES CONTRATERRENE CONVALESCENTS CONVERTAPLANE CONVERTIPLANE CONVERTOPLANE COOPERATIVELY COREFERENTIAL CORESIDENTIAL CORPORATENESS CORRELATIVELY COSMECEUTICAL COTRANSFERRED COUNTENANCERS COUNTERACTIVE COUNTERAGENTS COUNTERARGUED COUNTERARGUES COUNTERBRACED COUNTERBRACES COUNTERCHANGE COUNTERCHARGE COUNTERDEMAND COUNTERIMAGES COUNTERMANDED COUNTERPLAYED COUNTERPLAYER COUNTERPLEADS COUNTERRAIDED COUNTERSEALED COUNTERSTATED COUNTERSTATES COUNTERSTREAM COUNTERTHREAT COUNTERTRADED COUNTERTRADES COUNTERVAILED CRANIECTOMIES CRANIOMETRIES CREATUREHOODS CREATURESHIPS CREDENTIALING CREDENTIALISM CREDENTIALLED CRENELLATIONS CRESTFALLENLY CRYOTHERAPIES CRYPTESTHESIA CYANOETHYLATE CYBERATHLETES CYBERATTACKER CYBERNETICIAN CYBERSQUATTER CYBERSTALKERS CYCLANDELATES CYCLOPENTANES CYTOGENETICAL CYTOMEMBRANES DATAVEILLANCE DEARTICULATED DEARTICULATES DECAFFEINATED DECAFFEINATES DECAMETHONIUM DECAPITALISED DECAPITALISES DECAPITALIZED DECAPITALIZES DECARBOXYLATE DECARTELISING DECARTELIZING DECEIVABILITY DECELERATIONS DECENTRALISED DECENTRALISES DECENTRALISTS DECENTRALIZED DECENTRALIZES DECEREBRATING DECEREBRATION DECHLORINATED DECHLORINATES DECLARATIVELY DECLINATORIES DECOMPENSATED DECOMPENSATES DECONCENTRATE DECONGESTANTS DECONSECRATED DECONSECRATES DECONTAMINATE DECREPITATING DECREPITATION DEFLOCCULATED DEFLOCCULATES DELECTABILITY DELICATESSENS DELIRIFACIENT DEMOCRATISERS DEMOCRATIZERS DENTICULATELY DEPRECATINGLY DEPRECATIVELY DEPRECATORILY DEPRECIATIONS DETECTABILITY DETERMINACIES DETRACTRESSES DIATHERMACIES DIOTHELETICAL DISACCREDITED DISAFFECTEDLY DISCREDITABLE DISENCHANTERS DISPLACEMENTS DIVERTICULATE DOCUMENTARIES DOCUMENTARISE DOCUMENTARIZE DOMESTICATIVE DYOTHELETICAL ECCENTRICALLY ECCLESIASTICS ECCLESIOLATER ECCLESIOLATRY ECONOMETRICAL ECTOGENICALLY ECTOPARASITES EDUCABILITIES EDUCATIONESES EFFECTUALNESS EFFECTUATIONS ELASTICNESSES ELECTRIFIABLE ELECTRISATION ELECTRIZATION ELECTROACTIVE ELECTRODERMAL ELECTROGRAPHS ELECTROGRAPHY ELECTROMAGNET ELECTROPLATED ELECTROPLATER ELECTROPLATES ELECTROSTATIC ELECTROVALENT ELEPHANTIASIC ELEUTHERARCHS EMBRANCHMENTS ENCEPHALOMATA ENCEPHALOTOMY ENCHANTRESSES ENCOMPASSMENT ENCOURAGEMENT ENCROACHMENTS ENCULTURATIVE ENERGETICALLY ENTERCHAUNGED ENTERCHAUNGES ENTRANCEMENTS ENUNCIATIVELY EPICHEIREMATA EPILEPTICALLY EPISTEMICALLY EPITHETICALLY EPITRACHELION EQUIDISTANCES EQUISETACEOUS ERGATOCRACIES ESCHATOLOGIES ETHEROMANIACS ETHICALNESSES EUDAEMONISTIC EUDIOMETRICAL EUSOCIALITIES EVISCERATIONS EVOCATIVENESS EXACERBATIONS EXCEPTIONABLE EXCEPTIONABLY EXCEPTIONALLY EXCITABLENESS EXCOMMUNICATE EXCRESCENTIAL EXERCITATIONS EXORBITANCIES EXPECTATIONAL EXPECTORATING EXPECTORATION EXPECTORATIVE EXPECTORATORS EXPLICATIVELY EXTRACELLULAR EXTRAMETRICAL EXTRAVAGANCES EXULCERATIONS FACETIOUSNESS FACTUALNESSES FEATHERSTITCH FEBRIFACIENTS FERRIMAGNETIC FERROMAGNETIC FLUOROACETATE FRANCHISEMENT FRANTICNESSES FRUMENTACEOUS GALACTOMETERS GAMOGENETICAL GASTRECTOMIES GASTROENTERIC GEMEINSCHAFTS GENETHLIACONS GENTIANACEOUS GEOMETRICALLY GEOMETRICIANS GESELLSCHAFTS GESTICULATIVE GONADECTOMIES HAPPENSTANCES HEARTSICKNESS HECTOGRAPHIES HELIOMETRICAL HEMACYTOMETER HEMATOGENETIC HEMATOPOIETIC HEMICHORDATES HEPATECTOMIES HEPATOSCOPIES HEPTADECANOIC HEPTAMETRICAL HERESTHETICAL HERMENEUTICAL HETEROBLASTIC HETEROCARPOUS HETERODACTYLS HETEROGAMETIC HETEROGRAPHIC HETEROPLASTIC HETEROTACTOUS HETEROTHALLIC HETEROTYPICAL HEXACTINELLID HOMOGENETICAL HYPERACUITIES HYPERMETRICAL HYPERREACTIVE HYPERREACTORS IDENTICALNESS IMPREDICATIVE INABSTINENCES INADVERTENCES INAPPETENCIES INCANDESCENTS INCERTAINTIES INCESSANTNESS INCONSIDERATE INCONTESTABLE INCREMENTALLY INDETERMINACY INEFFECTUALLY INEXACTITUDES INEXACTNESSES INEXPECTATION INOPERCULATES INSPECTORATES INTELLECTUALS INTEMPERANCES INTERACTIVELY INTERAGENCIES INTERBRANCHES INTERCALARIES INTERCALATIVE INTERCELLULAR INTERCHANGERS INTERCHANNELS INTERCHAPTERS INTERCLAVICLE INTERCOMPARED INTERCOMPARES INTERJACULATE INTERJECTURAL INTERLACEMENT INTERMETALLIC INTEROSCULATE INTERPANDEMIC INTERPARTICLE INTERSOCIETAL INTRACEREBRAL INTRANSIGENCE INTRICATENESS INVOLUCELLATE IRRESISTANCES KAFFEEKLATSCH KERATECTOMIES KETOCONAZOLES KLEPTOCRACIES LAMINECTOMIES LARYNGECTOMEE LEATHERJACKET LEPTOCEPHALIC LEPTOCEPHALUS LETTERSPACING LIEUTENANCIES LIQUEFACIENTS LUCRATIVENESS LUMBERJACKETS MAGNETOMETRIC MASTERCLASSES MATCHLESSNESS MATHEMATICISE MATHEMATICIZE MEDICAMENTARY MEDICAMENTING MEDICAMENTOUS MEDIEVALISTIC MEGAKARYOCYTE MEGASTRUCTURE MERCERISATION MERCERIZATION MERITOCRACIES MESATICEPHALY METACERCARIAE METACERCARIAL METACERCARIAS METACOMPUTERS METAMERICALLY METAPHYSICISE METAPHYSICIZE METASILICATES METENCEPHALIC METENCEPHALON METHACRYLATES MICROCASSETTE MINICASSETTES MISADVERTENCE MISAPPRECIATE MISCEGENATING MISCEGENATION MISCEGENATORS MISPLACEMENTS MONONUCLEATED MOUNTENAUNCES MULTIACCESSES MULTIAGENCIES MULTICAMERATE MULTINUCLEATE MULTIVALENCES MYOELECTRICAL NECESSITARIAN NECESSITATING NECESSITATION NECESSITATIVE NECTARIFEROUS NEGOTIATRICES NEURASTHENIAC NEURASTHENICS NOMENCLATURES NONACCEPTANCE NONACCREDITED NONAESTHETICS NONATTENDANCE NONCOLLEGIATE NONDETACHABLE NONELECTRICAL NONINTERLACED NONRESISTANCE NONRETRACTILE NOVOCENTENARY NUCLEOTIDASES OBJECTIONABLE OCCIDENTALISE OCCIDENTALIZE OCTINGENARIES OCTOCENTENARY OLFACTOMETERS ORCHESTRATERS ORGANOGENETIC OUTPLACEMENTS OUTRECUIDANCE OVARIECTOMIES OVERDECORATED OVERDECORATES OVEREDUCATING OVEREDUCATION OVEREXCITABLE OVERMEDICATED OVERMEDICATES OVERREACTIONS OVERSPECULATE OXALOACETATES OXYACETYLENES OYSTERCATCHER PALAEOCLIMATE PALAEOCURRENT PALEOMAGNETIC PARCHMENTIEST PARCHMENTISED PARCHMENTISES PARCHMENTIZED PARCHMENTIZES PARENTHETICAL PARTHENOGENIC PARTURIENCIES PECCABILITIES PECULIARITIES PENICILLATELY PENTADACTYLES PENTAVALENCES PERFECTATIONS PERFECTIONATE PERIPATETICAL PERMACULTURES PERTINACITIES PERVICACITIES PETROCHEMICAL PHOTOREACTIVE PHRENETICALLY PIEZOMAGNETIC PLICATENESSES PORCELLANITES PRAEFECTORIAL PREACQUAINTED PREADOLESCENT PREANESTHETIC PRECEPTORATES PRECEPTORIALS PRECIPITANCES PRECIPITATELY PRECIPITATIVE PRECOLLEGIATE PRECONTRACTED PREDICAMENTAL PREDICATIVELY PREFABRICATED PREFABRICATES PREJUDICATIVE PRELITERACIES PREMEDICATING PREMEDICATION PRESANCTIFIED PRESANCTIFIES PROPAEDEUTICS PROTECTORATES PROTEINACEOUS PROTUBERANCES PTERODACTYLES QUANTIVALENCE QUARTERBACKED QUARTERDECKER QUINCENTENARY QUINDECAPLETS RACKETEERINGS RAMAPITHECINE RAPPROCHEMENT REACCELERATED REACCELERATES REACCEPTANCES REACCLIMATISE REACCLIMATIZE REACCREDITING REACTIONARIES READMITTANCES REARTICULATED REARTICULATES REATTACHMENTS REBROADCASTED RECALCITRANCE RECALCITRATED RECALCITRATES RECAPITALISED RECAPITALISES RECAPITALIZED RECAPITALIZES RECAPITULATED RECAPITULATES RECATEGORIZED RECATEGORIZES RECEIVABILITY RECENTRALIZED RECENTRALIZES RECESSIONISTA RECIPROCATIVE RECONCENTRATE RECONSECRATED RECONSECRATES RECONSOLIDATE RECONTAMINATE RECREATIONIST RECRIMINATIVE RECRYSTALLISE RECRYSTALLIZE RECTILINEALLY RECTILINEARLY RECTIPETALIES RECTIPETALITY RECUPERATIONS REDECORATIONS REDEDICATIONS REDUPLICATIVE REESCALATIONS REFLECTOGRAMS REFLECTOGRAPH REFRACTOMETER REFRACTOMETRY REINCORPORATE REMANUFACTURE REMONSTRANCES REORCHESTRATE RESECTABILITY RESUSCITATIVE RETROACTIVELY REVENDICATING REVENDICATION RHAMPHOTHECAE ROLLERCOASTER SACCHARIMETER SACCHAROMETER SACERDOTALISE SACERDOTALIZE SARMENTACEOUS SCATHEFULNESS SCATTEROMETER SCHOOLTEACHER SCLERODERMATA SCLEROTHERAPY SECRETAGOGUES SECRETARIATES SECRETARYSHIP SECTARIANISED SECTARIANISES SECTARIANIZED SECTARIANIZES SECTIONALISED SECTIONALISES SECTIONALIZED SECTIONALIZES SEMEIOTICALLY SEMEIOTICIANS SEMIDETACHEDS SEPTUPLICATES SESQUIPLICATE SEXTUPLICATED SEXTUPLICATES SKEPTICALNESS SORBEFACIENTS SPECIFICATIVE SPECTATRESSES SPECTRALITIES SPECULARITIES SPECULATIVELY SPECULATRICES SPECULATRIXES SPERMATOCELES SPERMATOCIDES SPERMATOCYTES SPERMATOGENIC SPERMATOTHECA SPLENETICALLY STAGECOACHMEN STARCHINESSES STAUNCHNESSES STEEPLECHASED STEEPLECHASER STEEPLECHASES STERCORACEOUS STEREOGRAPHIC STEREOLOGICAL STEREOTYPICAL STOICALNESSES STRATEGETICAL STUPEFACIENTS SUBADOLESCENT SUBCATEGORIES SUBCATEGORISE SUBCATEGORIZE SUBCELESTIALS SUBCOLLEGIATE SUBDEACONATES SUBLANCEOLATE SUBLITERACIES SUBSTANCELESS SULFACETAMIDE SUPERACCURATE SUPERCABINETS SUPERPARTICLE SUPERTEACHERS SURCHARGEMENT SUSPERCOLLATE TACHEOMETRIES TACTFULNESSES TEACHABLENESS TECHNICALISED TECHNICALISES TECHNICALIZED TECHNICALIZES TECHNICALNESS TECHNOBABBLES TECHNOCRACIES TELECOTTAGING TELEFACSIMILE TELEGENICALLY TELEGRAMMATIC TELENCEPHALIC TELENCEPHALON TENACIOUSNESS TEPHROMANCIES TERCENTENNIAL TERPSICHOREAL TERPSICHOREAN TETRACHLORIDE TETRACYCLINES TETRAVALENCES THEATRICALISE THEATRICALIZE THENCEFORWARD THEOREMATICAL THEORETICALLY THEORETICIANS THERAPEUTICAL THERMOBALANCE THERMONUCLEAR THORACENTESES THORACENTESIS TOUCHABLENESS TRACEABLENESS TRACHEOPHYTES TRACHEOTOMIES TRACKLESSNESS TRACTABLENESS TRAGICOMEDIES TRANSCENDENCE TRANSCENDENCY TRANSCENDENTS TRANSFERENCES TRANSILIENCES TRANSLUCENCES TRANSPARENCES TREACHEROUSLY TREACLINESSES TRICENTENNIAL TRICERATOPSES TROCHEAMETERS TSESAREVICHES TSESAREWICHES TUBERCULATELY TYPICALNESSES ULTRAVIOLENCE UNACCENTUATED UNACCEPTANCES UNAPPRECIATED UNASCERTAINED UNCERTAINNESS UNCERTAINTIES UNCOLLECTABLE UNCOMPENSATED UNCONSECRATED UNCONSECRATES UNCONTESTABLE UNCOOPERATIVE UNCORRECTABLE UNCREATEDNESS UNDEPRECIATED UNDEREDUCATED UNDERREACTING UNDERREACTION UNDOMESTICATE UNEXCEPTIONAL UNPREDICTABLE UNREPENTANCES UNRESPECTABLE UNSPECULATIVE UNSTERCORATED UNTHEORETICAL VAGINECTOMIES VALEDICTORIES VERTICALITIES VERTICILLATED VICEROYALTIES VIDEOCASSETTE VOUCHSAFEMENT WAISTCOATEERS WEATHERCASTER WEATHERCLOTHS WEATHERCOCKED YELLOWJACKETS ZANTEDESCHIAS