There are 448 thirteen-letter words containing 2A, 2E and I, https://www.bestwordlist.com/c/a/5/13letterwordswithaaeei.htm ABBREVIATURES ACCELERATIONS ACCESSARINESS ACETAMINOPHEN ACETAZOLAMIDE ACINETOBACTER ADMIRABLENESS ADVERBIALISED ADVERBIALISES ADVERBIALIZED ADVERBIALIZES ADVERSARINESS ADVERSATIVELY ADVISABLENESS AEROMECHANICS AESTHETICALLY AESTHETICIANS AGAMOSPERMIES AGGLOMERATIVE AGGREGATIVELY ALDERMANITIES ALDERMANLIEST ALKALIMETRIES ALLELOPATHIES ALPHABETISERS ALPHABETIZERS ALSTROEMERIAS ALTERNATIVELY AMATIVENESSES AMBIVALENCIES AMENABILITIES AMIABLENESSES AMPHITHEATERS AMPHITHEATRES ANAESTHETISED ANAESTHETISES ANAESTHETISTS ANAESTHETIZED ANAESTHETIZES ANATHEMATISED ANATHEMATISES ANATHEMATIZED ANATHEMATIZES ANEMOGRAPHIES ANEMOMETRICAL ANENCEPHALIAS ANENCEPHALIES ANGELOLATRIES ANGELOPHANIES ANIMADVERTERS ANIMATENESSES ANNIVERSARIES ANTEPENULTIMA ANTICIGARETTE ANTIMARKETEER ANTIMETABOLES ANTIPLATELETS ANTISATELLITE APOTHEGMATISE APOTHEGMATIZE APPEALINGNESS APPELLATIVELY APPENDICULATE APPERTAINANCE APPERTAINMENT APPRAISEMENTS AQUAFITNESSES ARAEOMETRICAL ARCHAEOLOGIES ARCHAEOMETRIC ARCHAEORNISES ARCHEGONIATES ARCHIPELAGOES ARGUMENTATIVE ARSPHENAMINES ASCERTAINABLE ASCERTAINMENT ASSEVERATIONS AUDIOCASSETTE AUGMENTATIVES AUTHENTICATED AUTHENTICATES AUTOCEPHALIES AUTOSCHEDIAZE AVAILABLENESS BACTERIOPHAGE BARAESTHESIAS BEARABILITIES BIODEGRADABLE BUREAUCRACIES BUREAUCRATISE BUREAUCRATIZE CABINETMAKERS CALEFACTORIES CANCELLARIATE CAPERCAILLIES CAPERCAILZIES CARBAMAZEPINE CARNIVALESQUE CARRAGHEENINS CATECHOLAMINE CATEGOREMATIC CATEGORIZABLE CAUSATIVENESS CHARACTERISED CHARACTERISER CHARACTERISES CHARACTERIZED CHARACTERIZER CHARACTERIZES CLAIRAUDIENCE COADJACENCIES COENAESTHESIA COLLATERALISE COLLATERALIZE COPARCENARIES CYANOGENAMIDE DATAVEILLANCE DEARTICULATED DEARTICULATES DECAFFEINATED DECAFFEINATES DECAPITALISED DECAPITALISES DECAPITALIZED DECAPITALIZES DECLARATIVELY DECONTAMINATE DEFAMILIARIZE DEMATERIALISE DEMATERIALIZE DENATIONALISE DENATIONALIZE DENATURALISED DENATURALISES DENATURALIZED DENATURALIZES DEPAUPERATING DEREALISATION DEREALIZATION DETERMINANTAL DEUTERANOPIAS DIAPHANEITIES DIAPHANOMETER DIATHERMACIES DIAZOMETHANES DIEFFENBACHIA DILATABLENESS DISAGGREGATED DISAGGREGATES DISAGREEABLES DISAPPARELLED DISAPPEARANCE DISCHARGEABLE DISPARAGEMENT DISPARATENESS DISPLEASANCES DISPLEASANTED DRAGGLETAILED DYSAESTHESIAS ECTOPARASITES ELABORATORIES ELEPHANTIASES ELEPHANTIASIC ELEPHANTIASIS ENCEPHALALGIA ENCYCLOPAEDIA ENDOPARASITES ENSANGUINATED EPANADIPLOSES EPICHEIREMATA EPIGRAMMATISE EPIGRAMMATIZE EPITHELIOMATA EQUILATERALLY ERASABILITIES ERGATOCRACIES ESTABLISHABLE ETHANOLAMINES ETHEROMANIACS EUPHAUSIACEAN EUSPORANGIATE EVANGELARIUMS EVANGELIARIES EVANGELIARION EVANGELIARIUM EVANGELICALLY EVANGELISTARY EXACERBATIONS EXAGGERATIONS EXASPERATIONS EXPECTATIONAL EXPLANATIVELY EXSANGUINATED EXSANGUINATES EXTRALITERARY EXTRAMETRICAL EXTRAPOLATIVE FATIGABLENESS FEATHERBRAINS FORECARRIAGES GAMOGENETICAL GENERALISABLE GENERALIZABLE GENTIANACEOUS HABITABLENESS HAEMATOLOGIES HAEMODIALYSER HAEMODIALYSES HAEMODIALYZER HARLEQUINADES HEARTBREAKING HEBDOMADARIES HEMIPARASITES HEPTADECANOIC HEPTAMETRICAL HEREDITARIANS HETEROPLASIAS HIEROGRAMMATE HYPAESTHESIAS HYPERALGESIAS HYPERCALCEMIA HYPERPARASITE HYPERVARIABLE IMMATERIALISE IMMATERIALIZE IMPREGNATABLE INANIMATENESS INAPPRECIABLE INCAPABLENESS INDEFATIGABLE INELABORATELY INEXPLAINABLE INSATIATENESS INTERCALARIES INTERCALATIVE INTERJACULATE INTERLAMINATE INTERMARRIAGE INTERMAXILLAE INTERPARIETAL INTRACEREBRAL INTRAVERSABLE IRRECLAIMABLE IRREPLACEABLE IRREPLACEABLY JAPONAISERIES KINAESTHESIAS LAUREATESHIPS LEISHMANIASES LOGODAEDALIES MADRIGALESQUE MANIFESTATIVE MARTIALNESSES MATERIALISERS MATERIALITIES MATERIALIZERS MATHEMATICISE MATHEMATICIZE MECAMYLAMINES MEDIAEVALISMS MEDIAEVALISTS MEDICAMENTARY MEDITERRANEAN MEGACEPHALIES MELODRAMATISE MELODRAMATIZE MESATICEPHALY METABOLISABLE METABOLIZABLE METACERCARIAE METACERCARIAL METACERCARIAS METAGRABOLISE METAGRABOLIZE METAMATERIALS METAMERICALLY METANARRATIVE METASILICATES MICROWAVEABLE MINERALISABLE MINERALIZABLE MISAPPRECIATE MISDEMEANANTS MISMANAGEMENT MULTICAMERATE NAVIGABLENESS NECESSITARIAN NEURAMINIDASE NEURASTHENIAC NEURASTHENIAS NEWSMAGAZINES NONEVALUATIVE NONVEGETARIAN NORADRENALINE OLEOMARGARINE OVERDRAMATISE OVERDRAMATIZE OVERTALKATIVE PALAEOCLIMATE PALEOBOTANIES PALEOGRAPHIES PALEOMAGNETIC PALINGENESIAS PANAESTHESIAS PANAESTHETISM PANLEUCOPENIA PANLEUKOPENIA PANRADIOMETER PARAESTHESIAS PARALEIPOMENA PARAMETERISED PARAMETERISES PARAMETERIZED PARAMETERIZES PARENTHETICAL PARTIALNESSES PATRILINEAGES PEDICELLARIAE PENEPLANATION PERIPATETICAL PHAEOMELANINS PHALANSTERIES PHENARSAZINES PHENYLALANINE PLANETESIMALS PRAEDIALITIES PRAEFECTORIAL PREACQUAINTED PREDICAMENTAL PREECLAMPSIAS PREFABRICATED PREFABRICATES PREPARATIVELY PRIVATEERSMAN PROLETARIATES QUADRIVALENCE QUANTIVALENCE RADICALNESSES RADIESTHESIAS RADIOLABELLED RADIOTELEGRAM RAMAPITHECINE RATEABILITIES RATTLEBRAINED REACCLIMATISE REACCLIMATIZE REACTIONARIES READABILITIES READMITTANCES REAGGREGATING REAGGREGATION REANNEXATIONS REAPPARELLING REAPPROPRIATE REARTICULATED REARTICULATES REATTAINMENTS REBARBATIVELY RECALCITRANCE RECALCITRATED RECALCITRATES RECAPITALISED RECAPITALISES RECAPITALIZED RECAPITALIZES RECAPITULATED RECAPITULATES RECONTAMINATE REESCALATIONS REEVALUATIONS REEXAMINATION REHABILITATED REHABILITATES REMATERIALISE REMATERIALIZE RENATIONALISE RENATIONALIZE REPEATABILITY REVEALABILITY RHINENCEPHALA SACCHARIMETER SACERDOTALISE SACERDOTALIZE SACRIFICEABLE SALEABILITIES SANDPAPERIEST SCHIZAEACEOUS SEASONALITIES SECRETARIATES SECTARIANISED SECTARIANISES SECTARIANIZED SECTARIANIZES SEGREGATIONAL SEMIAUTOMATED SEMICARBAZIDE SEMICARBAZONE SEMIPARASITES SERASKIERATES SESQUIALTERAS SEXAGENARIANS SEXAGESIMALLY SOMAESTHESIAS SPEARCARRIERS STATESMANLIER STATESMANLIKE STRATEGETICAL SULFACETAMIDE SYNAESTHESIAS TALKATIVENESS TAMEABILITIES TAPSALTEERIES TELAESTHESIAS TELEGRAMMATIC TELEOSAURIANS THEATRICALISE THEATRICALIZE THEOREMATICAL THERAPEUTICAL THIABENDAZOLE TRADESMANLIKE TRAILBREAKERS TRANSLITERATE ULTRAHEAVIEST ULTRARAREFIED ULTRARELIABLE UNABBREVIATED UNAMIABLENESS UNAPPRECIATED UNASCERTAINED UNDERCARRIAGE UNDERDRAINAGE UNEVANGELICAL UNEXPLAINABLE UNIMPEACHABLE UNMISTAKEABLE UNRECLAIMABLE VALIANTNESSES VAUDEVILLEANS VEGETARIANISM VERNACULARISE VERNACULARIZE VETERINARIANS VRAISEMBLANCE WAISTCOATEERS WEARABILITIES ZANTEDESCHIAS