There are 596 thirteen-letter words containing 2A, E, M and T, https://www.bestwordlist.com/c/a/5/13letterwordswithaaemt.htm ABNORMALITIES ACATAMATHESIA ACCIDENTALISM ACCLIMATISERS ACCLIMATIZERS ACCOMMODATIVE ACCOMPANIMENT ACETAMINOPHEN ACETAZOLAMIDE ACIDIMETRICAL ADIATHERMANCY ADMEASUREMENT ADMINICULATED ADMINICULATES ADMINISTRABLE ADMINISTRATED ADMINISTRATES ADRENALECTOMY ADUMBRATIVELY AFFIRMATIVELY AGALMATOLITES AGGIORNAMENTI AGGIORNAMENTO AGGLOMERATING AGGLOMERATION AGGLOMERATIVE AIRCRAFTWOMEN ALCHEMISTICAL ALDERMANITIES ALDERMANLIEST ALEMBICATIONS ALIMENTATIONS ALKALIMETRIES ALPHABETIFORM ALSTROEMERIAS AMARANTACEOUS AMATIVENESSES AMBISEXUALITY AMELIORATIONS AMENABILITIES AMICABILITIES AMPHITHEATERS AMPHITHEATRAL AMPHITHEATRES AMPHITHEATRIC ANAGRAMMATISE ANAGRAMMATIZE ANALPHABETISM ANATHEMATICAL ANATHEMATISED ANATHEMATISES ANATHEMATIZED ANATHEMATIZES ANECDOTALISMS ANEMOMETRICAL ANIMADVERTERS ANIMADVERTING ANIMATENESSES ANISOMETROPIA ANNEXATIONISM ANTEPENULTIMA ANTIHISTAMINE ANTIMARKETEER ANTIMECHANIST ANTIMETABOLES ANTIMETABOLIC ANTIRHEUMATIC ANTISUBMARINE APLANOGAMETES APOPHLEGMATIC APOTHEGMATISE APOTHEGMATIST APOTHEGMATIZE APPERTAINMENT APPRAISEMENTS APPROXIMATELY APPROXIMATIVE ARAEOMETRICAL ARCHAEOMETRIC ARCHIMANDRITE ARGUMENTATION ARGUMENTATIVE ARITHMETICIAN ARMAMENTARIUM AROMATICITIES ASCERTAINMENT ASSEMBLAGISTS ASTROMETRICAL ATHEMATICALLY ATMOSPHERICAL AUGMENTATIONS AUGMENTATIVES AUTOSCHEDIASM AUTOTOXAEMIAS AYUNTAMIENTOS BALLETOMANIAS BALMORALITIES BANTAMWEIGHTS BATHYMETRICAL BEAUMONTAGUES BICAMERALISTS BILATERALISMS BIOACCUMULATE BOTANOMANCIES BUREAUCRATISM CABINETMAKERS CABINETMAKING CAMPYLOBACTER CATECHOLAMINE CATECHUMENATE CATEGOREMATIC CHARACTERISMS CINEMATICALLY CINEMATOGRAPH CIRCUMVALLATE CLEPTOMANIACS CLIMACTERICAL COASTGUARDMEN COENENCHYMATA COLLENCHYMATA COMANAGEMENTS COMMENTARIATS COMMUNAUTAIRE COMPARATIVELY COMPARTMENTAL COMPASSIONATE CONTAMINATIVE CRAFTSMANLIKE DAMAGEABILITY DAMNABILITIES DARRAIGNMENTS DEAMINISATION DEAMINIZATION DECLAMATORILY DECONTAMINANT DECONTAMINATE DEDRAMATISING DEDRAMATIZING DEFORMATIONAL DELAMINATIONS DEMATERIALISE DEMATERIALIZE DERMATOGRAPHY DERMATOPLASTY DESQUAMATIONS DETERMINANTAL DEUTERANOMALY DEXAMETHASONE DIAMAGNETISMS DIAMETRICALLY DIAPHANOMETER DIATHERMACIES DIATHERMANOUS DIAZOMETHANES DISAMBIGUATED DISAMBIGUATES DISASSIMILATE DISPARAGEMENT DOCUMENTARIAN ECOTARIANISMS EMANCIPATIONS EMARGINATIONS EMASCULATIONS EMBARRASSMENT ENANTIODROMIA ENCEPHALOMATA ENCHONDROMATA ENCOMIASTICAL ENDAMAGEMENTS ENIGMATICALLY ENTOMOSTRACAN ENZYMATICALLY EPICHEIREMATA EPIGRAMMATISE EPIGRAMMATISM EPIGRAMMATIST EPIGRAMMATIZE EPITHALAMIUMS EPITHELIOMATA ERGASTOPLASMS ETHANOLAMINES ETHEROMANIACS EXAMINABILITY EXAMINATIONAL EXANTHEMATOUS EXCLAMATIONAL EXCLAMATORILY EXOPHTHALMIAS EXPATRIATISMS EXTRALIMITARY EXTRAMETRICAL FAMILIARITIES FLAGELLANTISM FLUNITRAZEPAM FRAGMENTARILY FRAGMENTATING FRAGMENTATION FRATERNALISMS FUNDAMENTALLY GALACTOMETERS GALACTOSAEMIA GALACTOSAEMIC GALACTOSAMINE GALACTOSEMIAS GALVANOMETERS GALVANOMETRIC GAMOGENETICAL GASTROMANCIES GERMANISATION GERMANIZATION GRAMMATICISED GRAMMATICISES GRAMMATICIZED GRAMMATICIZES GRAVIMETRICAL GYNAECOMASTIA GYNECOMASTIAS HAEMANGIOMATA HAEMATOBLASTS HAEMATOGENOUS HAEMATOLOGIES HAEMATOLOGIST HAEMATOXYLINS HAEMATOXYLONS HANDCRAFTSMEN HARBORMASTERS HEMATOBLASTIC HEMATOLOGICAL HEMATOPHAGOUS HEMATOTHERMAL HEMIPARASITES HEMIPARASITIC HEPTAMETRICAL HIEROGRAMMATE HIEROGRAMMATS HOJATOLESLAMS HYPONATRAEMIA HYPONATRAEMIC HYPONATREMIAS HYSTEROMANIAS IATROCHEMICAL IDEOGRAMMATIC IMAGINATIVELY IMMATERIALISE IMMATERIALISM IMMATERIALIST IMMATERIALITY IMMATERIALIZE IMPARIPINNATE IMPARTIALNESS IMPRACTICABLE IMPREGNATABLE INANIMATENESS INTERFAMILIAL INTERLAMINATE INTERMARGINAL INTERMARRIAGE INTERMAXILLAE INTRADERMALLY ISMATICALNESS KATHAROMETERS KATZENJAMMERS KINEMATICALLY KINEMATOGRAPH KLEPTOMANIACS LEMMATISATION LEMMATIZATION MACROCLIMATES MADERISATIONS MADERIZATIONS MAGISTERIALLY MAGISTRATURES MAGNANIMITIES MAGNETISATION MAGNETIZATION MAGNETOGRAPHS MAGNETOPAUSES MAGNETOSTATIC MAILABILITIES MAINSTREAMING MAINTENANCING MALADAPTIVELY MALADJUSTMENT MALADMINISTER MALADROITNESS MALTREATMENTS MALVERSATIONS MAMMAPLASTIES MAMMOPLASTIES MANAGEABILITY MANAGERIALIST MANIFESTATION MANIFESTATIVE MANIPULATABLE MANIPULATIVES MANNERISTICAL MANSLAUGHTERS MANUFACTORIES MANUFACTURERS MARGINALITIES MARKETABILITY MARKETISATION MARKETIZATION MARTIALNESSES MASTERCLASSES MASTICATORIES MATERFAMILIAS MATERIALISERS MATERIALISING MATERIALISTIC MATERIALITIES MATERIALIZERS MATERIALIZING MATERNALISTIC MATHEMATICIAN MATHEMATICISE MATHEMATICISM MATHEMATICIZE MATHEMATISING MATHEMATIZING MATRIARCHATES MATRILINEALLY MEASURABILITY MECHANISATION MECHANIZATION MEDIAEVALISTS MEDIATISATION MEDIATIZATION MEDIATORIALLY MEDICAMENTARY MEDITERRANEAN MEGAKARYOCYTE MEGALOBLASTIC MEGALOPOLITAN MELANISATIONS MELANIZATIONS MELODRAMATICS MELODRAMATISE MELODRAMATIST MELODRAMATIZE MENSURATIONAL MESATICEPHALY METABOLICALLY METABOLISABLE METABOLIZABLE METACERCARIAE METACERCARIAL METACERCARIAS METACHROMATIC METAFICTIONAL METAGNATHISMS METAGRABOLISE METAGRABOLIZE METALANGUAGES METALISATIONS METALIZATIONS METALLISATION METALLIZATION METALLOGRAPHY METALLURGICAL METAMATERIALS METAMERICALLY METANARRATIVE METAPHOSPHATE METAPHYSICIAN METAPOLITICAL METAPSYCHICAL METASILICATES METASOMATISMS METASOMATOSES METASOMATOSIS METASTABILITY METASTASISING METASTASIZING METHACRYLATES METHAQUALONES METRORRHAGIAS MICROPARASITE MISAPPRECIATE MISARTICULATE MISCALCULATED MISCALCULATES MISCATALOGUED MISCATALOGUES MISDEMEANANTS MISEVALUATING MISEVALUATION MISMANAGEMENT MISTRANSLATED MISTRANSLATES MONOSATURATED MULTICAMERATE MULTICAPITATE MULTIGRAVIDAE MULTIMEGAWATT MULTIVARIABLE MULTIWARHEADS MUTAGENICALLY MUTESSARIFATS MYCOBACTERIAL NANOMATERIALS NAPHTHYLAMINE NECROMANTICAL NEMATOLOGICAL NEOCAPITALISM NEUROANATOMIC NEUROBLASTOMA NOMENCLATURAL NOMENKLATURAS NONATTACHMENT NONMAINSTREAM NONMANAGEMENT NONPARAMETRIC ONOMATOPOEIAS ORNAMENTATION OSTEOMALACIAL OSTEOMALACIAS OSTEOSARCOMAS OUTMANIPULATE OVERDRAMATICS OVERDRAMATISE OVERDRAMATIZE PAEDOBAPTISMS PALAEOCLIMATE PALEOCLIMATIC PALEOMAGNETIC PALUDAMENTUMS PANAESTHETISM PANRADIOMETER PANSPERMATISM PANSPERMATIST PARAMAGNETISM PARAMENSTRUUM PARAMETERISED PARAMETERISES PARAMETERIZED PARAMETERIZES PARAMETRISING PARAMETRIZING PARAMOUNTCIES PARASITAEMIAS PARATHORMONES PARLIAMENTARY PARLIAMENTING PARVANIMITIES PATERFAMILIAS PERAMBULATING PERAMBULATION PERAMBULATORS PERAMBULATORY PERMANGANATES PERMUTATIONAL PHALANSTERISM PHARMACEUTICS PHARMACEUTIST PLANETESIMALS PLANIMETRICAL PLASMODESMATA PNEUMATICALLY POLYCYTHAEMIA PREAMBULATING PREAMBULATORY PREDICAMENTAL PRIVATEERSMAN PROBLEMATICAL PROSENCHYMATA PROTANOMALIES PTERIDOMANIAS QUADRUMVIRATE QUARRYMASTERS QUARTERMASTER QUARTODECIMAN RACEMISATIONS RACEMIZATIONS RADIOTELEGRAM RAMAPITHECINE RAZZAMATAZZES REACCLIMATING REACCLIMATISE REACCLIMATIZE REACTIONARISM READMITTANCES REAFFIRMATION REARRANGEMENT REATTACHMENTS REATTAINMENTS RECONTAMINATE REEXAMINATION REFORMATIONAL REMANUFACTURE REMARKABILITY REMATERIALISE REMATERIALIZE RHADAMANTHINE RHAMPHOTHECAE RHEUMATICALLY SACCHARIMETER SACCHARIMETRY SACCHAROMETER SACCHAROMETRY SACERDOTALISM SACRAMENTALLY SARMENTACEOUS SCAPEGOATISMS SCHEMATICALLY SCLERODERMATA SECTARIANISMS SEMIABSTRACTS SEMIAUTOMATED SEMIAUTOMATIC SEMIPALMATION SEMIPARASITES SEMIPARASITIC SEPARATIONISM SHAMATEURISMS SHAMEFASTNESS SOMAESTHESIAS SOMATOPLEURAL SOMNAMBULATED SOMNAMBULATES SPERMATICALLY SPERMATOBLAST SPERMATOCIDAL SPERMATOGONIA SPERMATORRHEA SPERMATOTHECA SPERMATOZOANS STAGECOACHMAN STAGECOACHMEN STALAGMOMETER STALAGMOMETRY STATESMANLIER STATESMANLIKE STATESMANSHIP STATIONMASTER SULFACETAMIDE SUPRATEMPORAL SYMPATHETICAL SYNAPOSEMATIC SYNTAGMATITES SYSTEMATICIAN TACHOMETRICAL TACHYMETRICAL TAMABLENESSES TAMEABILITIES TAUTOMETRICAL TECHNOMANIACS TELEGRAMMATIC TEMPERAMENTAL TERMINATIONAL TETRADRACHMAS TETRADRACHMON TETRADYNAMOUS THALASSAEMIAS THALASSAEMICS THAUMATURGIES THEATRICALISM THEATROMANIAS THEMATISATION THEMATIZATION THEOREMATICAL THERMOBALANCE THIOCARBAMIDE TRADESMANLIKE TRANSAMINASES TRANSDERMALLY TRANSEXUALISM TRANSFORMABLE TRANSHUMANCES TRANSMEMBRANE TRANSMIGRATED TRANSMIGRATES TRANSMITTABLE TRANSMITTANCE TRANSMONTANES TRANSMUTATIVE TRILATERALISM TRYPARSAMIDES TUBERCULOMATA ULTRAMONTANES ULTRAREALISMS UNASSIMILATED UNICAMERALIST UNILATERALISM UNIMAGINATIVE UNMANIPULATED UNMISTAKEABLE UNMISTAKEABLY UNTAMABLENESS VEGETARIANISM WATERMANSHIPS WHATSHERNAMES WHATSHISNAMES WHATSITSNAMES XEROPHTHALMIA ZEUGMATICALLY