There are 809 thirteen-letter words containing 2A, C, N and T, https://www.bestwordlist.com/c/a/5/13letterwordswithaacnt.htm ABORTIFACIENT ABSTRACTIONAL ACCELERATIONS ACCENTUATIONS ACCEPTILATION ACCIDENTALISM ACCIDENTALITY ACCLIMATATION ACCLIMATISING ACCLIMATIZING ACCOMMODATING ACCOMMODATION ACCOMPANIMENT ACCOMPANYISTS ACCOUNTANCIES ACCREDITATION ACCULTURATING ACCULTURATION ACCUMULATIONS ACCUSTOMATION ACETAMINOPHEN ACETIFICATION ACHROMATISING ACHROMATIZING ACIDIFICATION ACINETOBACTER ACQUAINTANCES ACQUISITIONAL ACQUITTANCING ACTINOBACILLI ACTINOTHERAPY ACTINOURANIUM ACTUALISATION ACTUALIZATION ADIATHERMANCY ADJUDICATIONS ADMINICULATED ADMINICULATES ADRENALECTOMY AERIFICATIONS AESTHETICIANS AFFECTIONALLY AGONISTICALLY AGRANULOCYTES AIRCRAFTWOMAN AIRCRAFTWOMEN ALEMBICATIONS AMARANTACEOUS AMPLIFICATION ANACATHARTICS ANACHRONISTIC ANALPHABETICS ANALYTICITIES ANAPHYLACTOID ANATHEMATICAL ANECDOTALISMS ANECDOTALISTS ANECDOTICALLY ANEMOMETRICAL ANFRACTUOSITY ANGLICISATION ANGLICIZATION ANIMALCULISTS ANNUNCIATIONS ANOMALISTICAL ANTARTHRITICS ANTASTHMATICS ANTHRACYCLINE ANTIAIRCRAFTS ANTIARTHRITIC ANTIASTHMATIC ANTIBACTERIAL ANTIBALLISTIC ANTIBLACKISMS ANTICATALYSTS ANTICHRISTIAN ANTICIGARETTE ANTICIPATABLE ANTICIPATIONS ANTICLASSICAL ANTICLERICALS ANTICLIMACTIC ANTICOAGULANT ANTICOLONIALS ANTICORPORATE ANTIDESICCANT ANTIDIABETICS ANTIGENICALLY ANTIHIJACKING ANTIMACASSARS ANTIMECHANIST ANTIMETABOLIC ANTIMICROBIAL ANTINARCOTICS ANTINOMICALLY ANTIPARASITIC ANTIPARTICLES ANTIPOLITICAL ANTIRACHITICS ANTIRHEUMATIC ANTIROMANTICS ANTISOCIALISM ANTISOCIALIST ANTISOCIALITY ANTISPASMODIC ANTITYPICALLY APLANATICALLY APPENDICULATE APPERTAINANCE APPRECIATIONS APPURTENANCES ARABICISATION ARABICIZATION ARACHNOIDITIS ARACHNOLOGIST ARCHAEOBOTANY ARCHEGONIATES ARCHIMANDRITE ARITHMETICIAN ARTICULATIONS ASCERTAINABLE ASCERTAINABLY ASCERTAINMENT ASSOCIATIONAL ASSUEFACTIONS ASTRODYNAMICS ASTRONAUTICAL ASYNDETICALLY ATTRACTANCIES AUSCULTATIONS AUTHENTICALLY AUTHENTICATED AUTHENTICATES AUTHENTICATOR AUTONOMICALLY AVERRUNCATING AVERRUNCATION AVERRUNCATORS AVOCATIONALLY BACKSTABBINGS BACKSTARTINGS BACKTRACKINGS BACKWARDATION BACTERISATION BACTERIZATION BASIFICATIONS BEATIFICATION BETACAROTENES BLACKCURRANTS BOTANOMANCIES BROADCASTINGS CABINETMAKERS CABINETMAKING CACHINNATIONS CALCIFICATION CALCULATINGLY CALCULATIONAL CALLITHUMPIAN CALUMNIATIONS CALYCANTHUSES CAMPANOLOGIST CANALICULATED CANALISATIONS CANALIZATIONS CANCELLARIATE CANCELLATIONS CANDIDATESHIP CANNIBALISTIC CANONISATIONS CANONIZATIONS CANTHAXANTHIN CANTILLATIONS CANTONISATION CANTONIZATION CAPACITATIONS CAPITULATIONS CAPRIFICATION CAPTIVATINGLY CARBONISATION CARBONIZATION CARBONYLATING CARBONYLATION CARBOXYLATING CARBOXYLATION CARBURISATION CARBURIZATION CARCINOMATOID CARCINOMATOUS CARDINALATIAL CARDINALITIAL CARDINALITIES CARNIFICATION CARPETBAGGING CARTELISATION CARTELIZATION CARTILAGINOUS CASTELLATIONS CASUALISATION CASUALIZATION CATALOGUISING CATALOGUIZING CATAMOUNTAINS CATATONICALLY CATECHISATION CATECHIZATION CATECHOLAMINE CATECHUMENATE CATERWAULINGS CAUSATIONISMS CAUSATIONISTS CAUSATIVENESS CAUTERISATION CAUTERIZATION CELIBATARIANS CEPHALISATION CEPHALIZATION CHALCANTHITES CHANGEABILITY CHANNELOPATHY CHARLATANICAL CHARLATANISMS CHARLATANRIES CHATEAUBRIAND CHIROMANTICAL CICATRISATION CICATRIZATION CINEMATICALLY CINEMATOGRAPH CLAIRAUDIENTS CLAIRVOYANTLY CLARIFICATION CLAUDICATIONS CLAUSTRATIONS CLEPTOMANIACS COACERVATIONS COADAPTATIONS COALIFICATION COASTGUARDMAN COASTGUARDMEN COCAINISATION COCAINIZATION COEDUCATIONAL COENAESTHESIA COENENCHYMATA COHABITATIONS COLLABORATING COLLABORATION COLLENCHYMATA COLLOCATIONAL COMANAGEMENTS COMBINATIONAL COMBINATORIAL COMMENTARIATS COMMUNAUTAIRE COMMUNITARIAN COMPAGINATING COMPAGINATION COMPARTMENTAL COMPASSIONATE COMPLAISANTLY COMPLANATIONS COMPUTATIONAL CONCATENATING CONCATENATION CONCLAMATIONS CONFABULATING CONFABULATION CONFABULATORS CONFABULATORY CONFARREATION CONFISCATABLE CONFLAGRATING CONFLAGRATION CONFLAGRATIVE CONGRATULABLE CONGRATULANTS CONGRATULATED CONGRATULATES CONGRATULATOR CONJUGATIONAL CONNATURALISE CONNATURALITY CONNATURALIZE CONNOTATIONAL CONSERVATORIA CONSONANTALLY CONSTATATIONS CONSTRAINABLE CONTAMINATING CONTAMINATION CONTAMINATIVE CONTAMINATORS CONTRABANDISM CONTRABANDIST CONTRABASSIST CONTRABASSOON CONTRABBASSOS CONTRACTIONAL CONTRACTUALLY CONTRAFAGOTTI CONTRAFAGOTTO CONTRALATERAL CONTRAOCTAVES CONTRARIANISM CONTRASEXUALS CONVERTAPLANE CONVOCATIONAL COPLANARITIES CORRELATIONAL COSURFACTANTS COUNTERATTACK CRAFTMANSHIPS CRAFTSMANLIKE CRAFTSMANSHIP CRYPTANALYSES CRYPTANALYSIS CRYPTANALYSTS CRYPTANALYTIC CURARISATIONS CURARIZATIONS CYANOACRYLATE CYANOBACTERIA CYANOETHYLATE CYCLANDELATES CYTOCHALASINS DACTYLIOMANCY DAMNIFICATION DANDIFICATION DATAVEILLANCE DEACTIVATIONS DECAFFEINATED DECAFFEINATES DECAPITATIONS DECAPSULATING DECAPSULATION DECARBONATING DECARBONATION DECARBONATORS DECARBURATION DECLINATIONAL DECONTAMINANT DECONTAMINATE DEGLACIATIONS DERACINATIONS DIACATHOLICON DIAGNOSTICIAN DIALECTICIANS DIBRANCHIATES DILACERATIONS DISCLAMATIONS DIVARICATIONS DOCTRINARIANS DOCUMENTARIAN ECOTARIANISMS EDUCATIONALLY ELASTICATIONS ELEPHANTIASIC EMANCIPATIONS EMASCULATIONS ENCAPSULATING ENCAPSULATION ENCAUSTICALLY ENCEPHALOMATA ENCHONDROMATA ENCOMIASTICAL ENDOPARASITIC ENIGMATICALLY ENTOMOSTRACAN ENZYMATICALLY EPINASTICALLY ETHEROMANIACS ETHNOGRAPHICA EXACERBATIONS EXCLAMATIONAL EXPECTATIONAL EXTRAVAGANCES FACILITATIONS FACTIONALISED FACTIONALISES FACTIONALISMS FACTIONALISTS FACTIONALIZED FACTIONALIZES FACTORISATION FACTORIZATION FACTUALNESSES FALSIFICATION FANATICALNESS FANTASMICALLY FANTASTICALLY FANTASTICATED FANTASTICATES FANTASTICISMS FASCICULATION FASCINATINGLY FAUNISTICALLY FINANCIALISTS FLUCTUATIONAL FOCALISATIONS FOCALIZATIONS FRACTIONALISE FRACTIONALISM FRACTIONALIST FRACTIONALIZE FRACTIONATING FRACTIONATION FRACTIONATORS FRANCISATIONS FRANCIZATIONS GALACTOSAMINE GALLICISATION GALLICIZATION GALRAVITCHING GALVANOMETRIC GALVANOTROPIC GAMIFICATIONS GAMOGENETICAL GASIFICATIONS GASTROMANCIES GASTRONOMICAL GENTIANACEOUS GERIATRICIANS GIGANTOMACHIA GNATHONICALLY GRATICULATION GRATIFICATION GYMNASTICALLY GYNAECOCRATIC GYNAECOMASTIA GYNECOMASTIAS HALLUCINATING HALLUCINATION HALLUCINATIVE HALLUCINATORS HALLUCINATORY HANDCRAFTSMAN HANDCRAFTSMEN HANDICRAFTERS HAPPENSTANCES HARUSPICATING HARUSPICATION HEPTADECANOIC HYDNOCARPATES HYPNOANALYTIC HYPONATRAEMIC ICHTHYOFAUNAE ICHTHYOFAUNAL ICHTHYOFAUNAS IMPLICATIONAL INACTIVATIONS INARTICULATES INCANTATIONAL INCAPACITANTS INCAPACITATED INCAPACITATES INCAPSULATING INCAPSULATION INCARCERATING INCARCERATION INCARCERATORS INCARDINATING INCARDINATION INCARNATIONAL INCATENATIONS INCLINATIONAL INCRASSATIONS INCRASSATIVES INELASTICALLY INFORMATICIAN INHABITANCIES INTERACTIONAL INTERCALARIES INTERCALARILY INTERCALATING INTERCALATION INTERCALATIVE INTERFACIALLY INTERGALACTIC INTERGLACIALS INTERJACULATE INTERRACIALLY INTERSCAPULAR INTRACAPSULAR INTRACAVITARY INTRACELLULAR INTRACEREBRAL INTRAGALACTIC INTRAMUSCULAR INTRAOCULARLY INTRATHECALLY INTRATHORACIC INTRAVASCULAR ISMATICALNESS ITALICISATION ITALICIZATION KINEMATICALLY KLEPTOMANIACS LABEFACTATION LABYRINTHICAL LACHRYMATIONS LACTATIONALLY LOCALISATIONS LOCALIZATIONS LUBRICATIONAL MACHAIRODONTS MACHICOLATING MACHICOLATION MACHINABILITY MACROMUTATION MAGNETOSTATIC MAGNIFICATION MAINTENANCING MALACOSTRACAN MANNERISTICAL MANUFACTORIES MANUFACTURERS MANUFACTURING MASSIFICATION MATCHBOARDING MATERNALISTIC MATHEMATICIAN MATRICULATING MATRICULATION MECHANISATION MECHANIZATION MEDICAMENTARY METAFICTIONAL METAPHYSICIAN MICROANALYSTS MICROANALYTIC MISALLOCATING MISALLOCATION MISCATALOGING MONOGRAMMATIC MUTAGENICALLY NANOPARTICLES NARCOTISATION NARCOTIZATION NARROWCASTING NATIONALISTIC NAZIFICATIONS NECESSITARIAN NECROMANTICAL NEMATOLOGICAL NEOCAPITALISM NEOCAPITALIST NEURASTHENIAC NEUROANATOMIC NEUROPATHICAL NIGHTWATCHMAN NITROBACTERIA NOCTIVAGATION NOMENCLATURAL NONACCEPTANCE NONACCIDENTAL NONALPHABETIC NONANALYTICAL NONANATOMICAL NONASSOCIATED NONATTACHMENT NONATTENDANCE NONBROADCASTS NONCANDIDATES NONCAPITALIST NONCHARACTERS NONCOMBATANTS NONDETACHABLE NONPARAMETRIC NONSECTARIANS NONTHEATRICAL NONVOCATIONAL NOSTALGICALLY NUTRACEUTICAL OCCASIONALIST OCCASIONALITY OCTOGENARIANS ONOMASTICALLY ONOMASTICIANS OSCILLATIONAL PACIFICATIONS PAEDIATRICIAN PALAEOBOTANIC PALAEOCURRENT PALEOMAGNETIC PALIFICATIONS PALMIFICATION PANCHROMATISM PANCYTOPENIAS PANDICULATION PANIFICATIONS PANTHEISTICAL PANTISOCRATIC PARAMOUNTCIES PARASYNTHETIC PARENTHETICAL PARTHENOCARPY PARTICIPANTLY PARTICIPATING PARTICIPATION PATERNALISTIC PEDANTOCRATIC PEDIATRICIANS PENTADACTYLES PENTADACTYLIC PENTASYLLABIC PENTAVALENCES PHTHALOCYANIN PIANISTICALLY PLACENTATIONS PLANIMETRICAL PLANTOCRACIES PLASTOCYANINS PLATINOCYANIC PNEUMATICALLY POLYCARBONATE POSTCRANIALLY POTICHOMANIAS PRACTICALNESS PREACQUAINTED PRECAUTIONARY PREDICAMENTAL PREVARICATING PREVARICATION PREVOCATIONAL PROCLAMATIONS PROCRASTINATE PROCREATIONAL PROSENCHYMATA PSYCHASTHENIA PSYCHOANALYST PURITANICALLY QUALIFICATION QUANTIVALENCE QUARTODECIMAN RACEMISATIONS RACEMIZATIONS RADIOLOCATION RAMAPITHECINE RAMIFICATIONS RAREFACTIONAL RAREFICATIONS RATIFICATIONS RATIOCINATING RATIOCINATION RATIOCINATIVE RATIOCINATORS RATIOCINATORY RATIONALISTIC REACCEPTANCES REACCLIMATING REACQUAINTING REACTIONARIES REACTIONARISM REACTIONARIST REACTIVATIONS READMITTANCES REALLOCATIONS REAPPLICATION REATTACHMENTS RECALCITRANCE RECALCITRANCY RECALCITRANTS RECALCULATING RECALCULATION RECALIBRATING RECALIBRATION RECATALOGUING RECONTAMINATE RECTANGULARLY REESCALATIONS REINCARNATING REINCARNATION REMANUFACTURE RETRACTATIONS REVACCINATING REVACCINATION ROMANTICALITY SACRALISATION SACRALIZATION SACRAMENTALLY SACROSANCTITY SALIFICATIONS SANCTUARISING SANCTUARIZING SARMENTACEOUS SATANICALNESS SATIRICALNESS SATISFACTIONS SCAPEGOATINGS SCAPULIMANTIC SCAPULOMANTIC SCARIFICATION SCATTERATIONS SCATTERBRAINS SCENARISATION SCENARIZATION SECTARIANISED SECTARIANISES SECTARIANISMS SECTARIANIZED SECTARIANIZES SHADOWCASTING SOCIALISATION SOCIALIZATION SPHACELATIONS STAGECOACHING STAGECOACHMAN STAGECOACHMEN STATISTICIANS STAYCATIONERS STRATOVOLCANO SUBALLOCATING SUBALLOCATION SUBARCUATIONS SUBDEACONATES SUBDIACONATES SUBLANCEOLATE SUSTENTACULAR SYCOPHANTICAL SYLLABICATING SYLLABICATION SYNALLAGMATIC SYNAPOSEMATIC SYNTACTICALLY SYNTACTICIANS SYSTEMATICIAN TARIFFICATION TAUTOPHONICAL TAXONOMICALLY TEACHABLENESS TECHNOMANIACS TETRADRACHMON TETRAVALENCES THERMOBALANCE THRASONICALLY TIMBROMANIACS TOBACCANALIAN TRACEABLENESS TRACTABLENESS TRACTORATIONS TRADESCANTIAS TRADUCIANISMS TRADUCIANISTS TRANSACTINIDE TRANSACTIONAL TRANSATLANTIC TRANSCRIBABLE TRANSCRIPTASE TRANSCULTURAL TRANSDUCTANTS TRANSHUMANCES TRANSLOCATING TRANSLOCATION TRANSMITTANCE TRANSMITTANCY TRANSPARENCES TRANSPORTANCE TRANSTHORACIC TRICHOMONADAL ULTRADISTANCE ULTRAROMANTIC UNACCENTUATED UNACCEPTANCES UNACCOUNTABLE UNACCOUNTABLY UNACQUAINTING UNADJUDICATED UNANTICIPATED UNAPOSTOLICAL UNAPPRECIATED UNARTICULATED UNASCERTAINED UNCALCULATING UNCAPITALISED UNCAPITALIZED UNCHARISMATIC UNCHASTISABLE UNCHASTIZABLE UNCOMPLAISANT UNCONTAINABLE UNDIALECTICAL UNGRAMMATICAL UNICAMERALIST UNPRACTICABLE UNPRACTICALLY UNSPECTACULAR UNSTAUNCHABLE VACATIONLANDS VACILLATINGLY VACUOLISATION VACUOLIZATION VALEDICTORIAN VATICINATIONS VERNACULARIST VERNACULARITY VOCALISATIONS VOCALIZATIONS VOCATIONALISM VOCATIONALIST VOLCANISATION VOLCANIZATION VULCANISATION VULCANIZATION WAISTCOATINGS WOODCRAFTSMAN XANTHOCHROIAS XANTHOCHROMIA YACHTSMANSHIP ZANTEDESCHIAS