There are 421 fourteen-letter words containing 2A, 2E and N, https://www.bestwordlist.com/c/a/5/14letterwordswithaaeen.htm ABOMINABLENESS ABRASIVENESSES ABSORBEFACIENT ABSTRACTEDNESS ABSTRACTNESSES ACCELERATINGLY ACCENTUALITIES ACCEPTABLENESS ACCIDENTALNESS ACCURATENESSES ACETAMINOPHENS ACINETOBACTERS ADAPTIVENESSES ADEQUATENESSES ADMEASUREMENTS ADORABLENESSES ADRENERGICALLY ADULARESCENCES AERENCHYMATOUS AEROELASTICIAN AEROGENERATORS AEROHYDROPLANE AEROMECHANICAL AFFECTIONATELY AFTERSENSATION AFTERTREATMENT AGGRANDISEMENT AGGRANDIZEMENT ALIENABILITIES ALKALESCENCIES AMATEURISHNESS AMBULANCEWOMEN AMENABLENESSES AMICABLENESSES AMINOPEPTIDASE AMINOPHENAZONE ANAESTHETISING ANAESTHETIZING ANELASTICITIES ANESTHETICALLY ANSWERABLENESS ANTEPENULTIMAS ANTIALLERGENIC ANTIDEPRESSANT ANTIDERIVATIVE ANTIFEDERALIST ANTIMANAGEMENT ANTIMARKETEERS ANTIMETABOLITE ANTIMETATHESES ANTIMETATHESIS ANTIPERISTASES ANTIQUATEDNESS APPARENTNESSES APPERTAINANCES APPERTAINMENTS APPLICABLENESS ARCHDEACONRIES ARCHEOBOTANIES ARCHGENETHLIAC ARTICULATENESS ASCERTAINMENTS ASSAULTIVENESS ASSEVERATINGLY ATTAINABLENESS ATTRACTIVENESS AUGMENTATIVELY AVOWABLENESSES BACKHANDEDNESS BACKWARDNESSES BANDERSNATCHES BEARABLENESSES BENZANTHRACENE BLAMABLENESSES BLETHERANSKATE CADAVEROUSNESS CALCULATEDNESS CALYCANTHEMIES CANCELLARIATES CARBAMAZEPINES CATECHOLAMINES CATECHUMENATES CATECHUMENICAL CENTENARIANISM CHANGEABLENESS CHARGEABLENESS CHARITABLENESS CLAIRAUDIENCES CLEANABILITIES COENAESTHESIAS COMPARABLENESS CONTEMPORANEAN CONVERTAPLANES CORYNEBACTERIA COUNTERBALANCE CRANIOCEREBRAL CYANOACETYLENE CYANOETHYLATED CYANOETHYLATES CYANOGENAMIDES DAMNABLENESSES DATAVEILLANCES DECAFFEINATING DECONTAMINATED DECONTAMINATES DENATIONALISED DENATIONALISES DENATIONALIZED DENATIONALIZES DEPARTMENTALLY DEREALISATIONS DEREALIZATIONS DEXAMETHASONES DEXAMPHETAMINE DIAGENETICALLY DIAPHANOMETERS DIATHERMANCIES DIATHERMANEITY DIEFFENBACHIAS DINOFLAGELLATE DISAPPEARANCES DISARRANGEMENT DISINCARCERATE DISPARAGEMENTS ELEUTHEROMANIA EMBARRASSMENTS EMPHATICALNESS ENANTIOPATHIES ENCEPHALALGIAS ENCEPHALOGRAMS ENCEPHALOGRAPH ENCEPHALOPATHY ENCYCLOPAEDIAS ENDOTHELIOMATA ENTEROBACTERIA ENTHYMEMATICAL ETERNALISATION ETERNALIZATION EUPHAUSIACEANS EVANGELIARIONS EVANGELIARIUMS EVANGELICALISM EVANGELISATION EVANGELIZATION EXAGGERATINGLY EXASPERATINGLY EXTRAFORANEOUS EXTRAORDINAIRE EXTRAVAGANCIES FAINTHEARTEDLY FAMILIARNESSES FARCICALNESSES FATIGUABLENESS FAVOURABLENESS FEATHERBRAINED FEDERALISATION FEDERALIZATION FERROMAGNESIAN FERROMANGANESE FLAGRANTNESSES FRAGRANTNESSES GALVANOMETRIES GENEALOGICALLY GENERALISATION GENERALIZATION GENERATIONALLY GENETHLIACALLY GRADABLENESSES GYNAECOCRACIES GYNAECOMASTIES HABITUALNESSES HAEMATOGENESES HAEMATOGENESIS HAEMATOGENETIC HALTERBREAKING HARDHANDEDNESS HARDHEADEDNESS HEADQUARTERING HEMAGGLUTINATE HEPATOPANCREAS HEXOSAMINIDASE HYPERAWARENESS HYPERNATRAEMIA HYPOMAGNESEMIA IMAGINABLENESS IMMACULATENESS IMMATERIALNESS IMPASSABLENESS IMPLACABLENESS INACCURATENESS INADEQUATENESS INAPPRECIATIVE INSATIABLENESS INTERAVAILABLE INTERDIALECTAL INTERJACULATED INTERJACULATES INTERLAMINATED INTERLAMINATES INTERMARRIAGES INTERPLANETARY INTRANSIGEANCE INVALUABLENESS INVARIABLENESS IRRESTRAINABLE LABRADORESCENT LAMENTABLENESS LAUDABLENESSES LAXATIVENESSES LEARNABILITIES MACRENCEPHALIA MAJESTICALNESS MALAPERTNESSES MANAGEABLENESS MARKETABLENESS MATERIALNESSES MEASURABLENESS MECHANICALNESS MECHANOTHERAPY MEDICAMENTALLY METANARRATIVES MISARRANGEMENT MISMANAGEMENTS NEANDERTHALERS NEANDERTHALOID NEBUCHADNEZZAR NECESSARIANISM NECESSITARIANS NEMATODIRIASES NEURAMINIDASES NEURASTHENIACS NEUROANATOMIES NEWSPAPERWOMAN NONACCEPTANCES NONAPPEARANCES NONATTENDANCES NONCANCELLABLE NONHALOGENATED NONMANAGEMENTS NONVEGETARIANS NORADRENALINES OCEANOGRAPHERS OCEANOGRAPHIES OLEOMARGARINES ORACULARNESSES OVERABUNDANCES OVERACCENTUATE OVEREVALUATING OVEREVALUATION OVERMANAGEMENT PALAEETHNOLOGY PALAEOBOTANIES PALAEOCURRENTS PALAEOMAGNETIC PALATIALNESSES PALEOMAGNETISM PALEOMAGNETIST PALINGENETICAL PALPABLENESSES PANAESTHETISMS PANCREATECTOMY PANCREATITIDES PANCREATITISES PANGENETICALLY PANLEUCOPENIAS PANLEUKOPENIAS PANRADIOMETERS PANSEXUALITIES PANTALOONERIES PARALEIPOMENON PARAMETERISING PARAMETERIZING PARDONABLENESS PASSABLENESSES PASSIONATENESS PASTORALNESSES PEDANTOCRACIES PENEPLANATIONS PENNATULACEOUS PENTADACTYLIES PENTAVALENCIES PERIMENOPAUSAL PHENYLALANINES PLACABLENESSES PLEASANTNESSES PREANAESTHETIC PREARRANGEMENT PREDESTINARIAN PREDEVALUATION PREMANUFACTURE PREMILLENARIAN PREOPERATIONAL PRESENTATIONAL PROLETARIANISE PROLETARIANIZE PROPAGABLENESS PSEPHOANALYSES QUADRIGEMINATE QUADRIVALENCES QUAESTIONARIES QUANTIVALENCES RAMAPITHECINES RAMPAGEOUSNESS RATEABLENESSES RATIONALNESSES REACCELERATING REACCELERATION REACQUAINTANCE READABLENESSES REAGGREGATIONS REAPPRAISEMENT REARRANGEMENTS REASONABLENESS RECALCITRANCES RECONNAISSANCE RECONTAMINATED RECONTAMINATES RECREATIONALLY REEXAMINATIONS REMANUFACTURED REMANUFACTURER REMANUFACTURES REMARKABLENESS RENATIONALISED RENATIONALISES RENATIONALIZED RENATIONALIZES RESTAURANTEURS REWARDABLENESS RHOMBENCEPHALA SABERMETRICIAN SACRAMENTARIES SALEABLENESSES SALUTARINESSES SALVABLENESSES SANITARINESSES SAVEABLENESSES SCALABLENESSES SCATTERBRAINED SCLERENCHYMATA SEASONABLENESS SEASONALNESSES SEMICARBAZONES SENSATIONALISE SENSATIONALIZE SEPARATENESSES SEPARATIVENESS SEPTUAGENARIAN SEPTUAGENARIES SESQUIPEDALIAN SHAMEFACEDNESS STALWARTNESSES STATESMANLIEST STEGANOGRAPHER STEGOCEPHALIAN SUBAPPEARANCES SUBTERRANEANLY SULFAMETHAZINE SUPERABUNDANCE SUPERTERRANEAN SUPRASEGMENTAL TAMEABLENESSES TATTERDEMALION TELANGIECTASES TELANGIECTASIA TELANGIECTASIS TELANGIECTATIC TELEVANGELICAL TESTAMENTARILY TETRAGONALNESS TETRAVALENCIES THAUMATOGENIES THEATRICALNESS THERMOBALANCES THIABENDAZOLES THREADBARENESS TRAGICALNESSES TRANSCALENCIES TRANSCENDENTAL TRANSFERENTIAL TRANSLITERATED TRANSLITERATES TRANSPARENCIES TRANSPARENTISE TRANSPARENTIZE TRIHALOMETHANE TURANGAWAEWAES UNAFFECTIONATE UNAPPRECIATIVE UNBEARABLENESS UNDERCARRIAGES UNDERDRAINAGES UNDERGRADUATES UNDERSATURATED UNDERSTANDABLE UNMARRIAGEABLE UNMATERIALISED UNMATERIALIZED UNMERCHANTABLE UNPASSABLENESS UNPLEASANTNESS UNPLEASANTRIES UNPURCHASEABLE UNREADABLENESS UNRECAPTURABLE UNRESTRAINABLE UNSHAKABLENESS UNTAMEABLENESS UNTRANSFERABLE VALERIANACEOUS VALETUDINARIES VALUABLENESSES VARIABLENESSES VEGETARIANISMS VERNACULARISED VERNACULARISES VERNACULARIZED VERNACULARIZES VRAISEMBLANCES WEATHERISATION WEATHERIZATION