There are 467 fourteen-letter words containing A, E, N and V, https://www.bestwordlist.com/c/a/4/14letterwordswithaenv.htm ABORTIVENESSES ABRASIVENESSES ABSORPTIVENESS ADAPTIVENESSES ADHESIVENESSES ADMINISTRATIVE ADVANTAGEOUSLY ADVENTITIOUSLY ADVERBIALISING ADVERBIALIZING ADVERTISEMENTS ADVERTIZEMENTS AGGRESSIVENESS ALIMENTIVENESS ALLUSIVENESSES ANIMADVERSIONS ANTEDILUVIALLY ANTICIPATIVELY ANTICONVULSIVE ANTICORROSIVES ANTIDERIVATIVE ANTIEVOLUTIONS ANTIGOVERNMENT ANTINARRATIVES ANTIREFLECTIVE ANTIRESORPTIVE ANTIRETROVIRAL ANTISUBVERSION ANTISUBVERSIVE ANTIUNIVERSITY APPREHENSIVELY ASSAULTIVENESS ASSEVERATINGLY ATTRACTIVENESS AUGMENTATIVELY AVARICIOUSNESS AVERRUNCATIONS AVERSIVENESSES AVOWABLENESSES AVUNCULARITIES BIOEQUIVALENCE BOUGAINVILLAEA BOUGAINVILLEAS CADAVEROUSNESS CARDIOVERSIONS CHIVALROUSNESS CIRCUMNAVIGATE CLAIRVOYANCIES COEVOLUTIONARY COGITATIVENESS COINVESTIGATOR CONCEIVABILITY CONGLOMERATIVE CONGLUTINATIVE CONGRATULATIVE CONSERVATIONAL CONSERVATISING CONSERVATIVELY CONSERVATIZING CONSERVATOIRES CONSERVATORIAL CONSERVATORIES CONSERVATORIUM CONSERVATRICES CONSERVATRIXES CONSULTATIVELY CONTEMPLATIVES CONTINUATIVELY CONTRACEPTIVES CONTRAGESTIVES CONTRAPOSITIVE CONTRAVENTIONS CONVALESCENCES CONVALESCENTLY CONVENTIONALLY CONVERSATIONAL CONVERSAZIONES CONVERTAPLANES CONVERTIPLANES CONVERTOPLANES CONVIVIALITIES COUNTERVAILING CREATIVENESSES CUMULATIVENESS CURATIVENESSES CURVACEOUSNESS CURVACIOUSNESS CURVILINEARITY DATAVEILLANCES DECEIVABLENESS DECORATIVENESS DEMONSTRATIVES DENOMINATIVELY DEPRAVEDNESSES DERIVATIONALLY DERIVATIONISTS DERIVATISATION DERIVATIVENESS DERIVATIZATION DETERMINATIVES DEVALORISATION DEVALORIZATION DEVITALISATION DEVITALIZATION DEVOTIONALISTS DEVOTIONALNESS DISADVENTUROUS DISCRIMINATIVE DISINTEGRATIVE DISINVIGORATED DISINVIGORATES DISPENSATIVELY DISPURVEYANCES DISSEVERATIONS DISSUASIVENESS DORSIVENTRALLY DORSOVENTRALLY EAVESDROPPINGS ELECTROVALENCE ELECTROVALENCY ELIMINATIVISMS ENDEAVOURMENTS ENVENOMISATION ENVENOMIZATION ENVIABLENESSES EQUIVOCATINGLY EVANGELIARIONS EVANGELIARIUMS EVANGELICALISM EVANGELISATION EVANGELIZATION EVENHANDEDNESS EVERYDAYNESSES EVOLUTIONARILY EXHAUSTIVENESS EXTRAVAGANCIES EXTRAVAGATIONS EXTRAVASATIONS FAVOURABLENESS FAVOUREDNESSES FERMENTATIVELY FIGURATIVENESS FREQUENTATIVES GALVANOMETRIES GALVANOSCOPIES GOVERNABLENESS GOVERNMENTALLY HANDKERCHIEVES HEAVENLINESSES HYPERVENTILATE HYPERVIGILANCE IMMOVEABLENESS IMMUNOREACTIVE IMPERATIVENESS IMPROVABLENESS INACTIVENESSES INADVERTENCIES INAPPRECIATIVE INAPPREHENSIVE INCONCEIVABLES INDISCOVERABLE INDIVIDUALISED INDIVIDUALISER INDIVIDUALISES INDIVIDUALIZED INDIVIDUALIZER INDIVIDUALIZES INEVITABLENESS INGRAVESCENCES INHABITIVENESS INNOVATIVENESS INOBSERVATIONS INTERAVAILABLE INTERBEHAVIORS INTERBEHAVIOUR INTERCLAVICLES INTEROPERATIVE INTERPRETATIVE INTERROGATIVES INTERVALOMETER INTERVENTIONAL INTERVERTEBRAL INTERWEAVEMENT INTRANSITIVELY INVALUABLENESS INVARIABLENESS INVASIVENESSES INVESTIGATIONS INVETERATENESS INVIABLENESSES INVIGORATIVELY INVIOLABLENESS INVOLUCELLATED IRRELATIVENESS LAEVOROTATIONS LASCIVIOUSNESS LATEROVERSIONS LAXATIVENESSES LIVEABLENESSES LOVEABLENESSES MACHIAVELLIANS MACROEVOLUTION MANIPULATIVELY MARVELLOUSNESS MEDITATIVENESS METANARRATIVES MISADVENTURERS MISADVENTUROUS MISADVERTENCES MISADVISEDNESS MISEVALUATIONS MISGOVERNANCES MISGOVERNAUNCE MISOBSERVANCES MOVEABLENESSES MULTIVALENCIES MUNDIFICATIVES NAVIGABILITIES NEGATIVENESSES NONACHIEVEMENT NONACQUISITIVE NONASSERTIVELY NONBEHAVIOURAL NONCOMMUTATIVE NONCOOPERATIVE NONDERIVATIVES NONEQUIVALENCE NONEQUIVALENTS NONINTERACTIVE NONOBSERVANCES NONOVERLAPPING NONRADIOACTIVE NONRECOVERABLE NONRETROACTIVE NONSPECULATIVE NONVEGETARIANS NONVOLUNTARIES NOVELISTICALLY OBJECTIVATIONS OBSERVABLENESS ONCORNAVIRUSES OPINIONATIVELY OUTFANGTHIEVES OUTMANEUVERING OUTMANOEUVRING OVERABUNDANCES OVERABUNDANTLY OVERACCENTUATE OVERADJUSTMENT OVERANALYTICAL OVERASSERTIONS OVERASSESSMENT OVERATTENTIONS OVERBREATHINGS OVERCENTRALISE OVERCENTRALIZE OVERCOMPENSATE OVERCOMPLIANCE OVERDECORATING OVERDECORATION OVERDIAGNOSING OVERDOMINANCES OVEREDUCATIONS OVERENCOURAGED OVERENCOURAGES OVERENTHUSIASM OVERESTIMATING OVERESTIMATION OVEREVALUATING OVEREVALUATION OVEREXPANSIONS OVEREXPLAINING OVEREXTRACTION OVERGENERALISE OVERGENERALIZE OVERHARVESTING OVERIDEALISING OVERIDEALIZING OVERINFLATIONS OVERINSURANCES OVERMANAGEMENT OVERMEDICATING OVERMEDICATION OVERORGANISING OVERORGANIZING OVERORNAMENTED OVERPEDALLINGS OVERPERSUADING OVERPERSUASION OVERPOPULATING OVERPOPULATION OVERPROGRAMING OVERRASHNESSES OVERREGULATING OVERREGULATION OVERSATURATING OVERSATURATION OVERSTATEMENTS OVERTREATMENTS OVERVALUATIONS OVERWEATHERING PENTAVALENCIES PERSEVERATIONS PERSUASIVENESS PHOTOENGRAVERS PHOTOENGRAVING PICORNAVIRUSES PREDESTINATIVE PREDEVALUATION PREVARICATIONS PREVENTABILITY PROVABLENESSES PROVENTRICULAR PROVIDENTIALLY PROVINCIALISED PROVINCIALISES PROVINCIALIZED PROVINCIALIZES PROVISIONARIES PULVERISATIONS PULVERIZATIONS QUADRIVALENCES QUANTITATIVELY QUANTIVALENCES QUINQUEVALENCE QUINQUEVALENCY QUINQUIVALENCE QUINQUIVALENCY RADIOSENSITIVE RAVENOUSNESSES REACTIVENESSES RECEIVABLENESS RECONVALESCENT RECONVALESCING RECULTIVATIONS REDELIVERANCES REDINTEGRATIVE REFRACTIVENESS REGENERATIVELY REINNERVATIONS REINVESTIGATED REINVESTIGATES REINVIGORATING REINVIGORATION REINVIGORATORS RELATIVENESSES RELATIVISATION RELATIVIZATION REMUNERATIVELY REPRESENTATIVE RESERVATIONIST RESOLVABLENESS REVACCINATIONS REVALORISATION REVALORIZATION REVELATIONISTS REVENDICATIONS REVERBERATIONS REVERSIONARIES REVINDICATIONS REVITALISATION REVITALIZATION REVIVIFICATION SALVABLENESSES SAVEABLENESSES SEPARATIVENESS SERONEGATIVITY SEROPREVALENCE SERVOMECHANISM SOLVABLENESSES SOVIETISATIONS SOVIETIZATIONS SUBSTANTIATIVE SUBSTANTIVISED SUBSTANTIVISES SUBSTANTIVIZED SUBSTANTIVIZES SUPERELEVATING SUPERELEVATION SUPEROVULATING SUPEROVULATION TELEVANGELICAL TELEVANGELISMS TELEVANGELISTS TELEVISIONALLY TENDOVAGINITIS TERGIVERSATING TERGIVERSATION TETRAVALENCIES TRANSFORMATIVE TRANSITIVENESS TRANSITIVITIES TRANSMIGRATIVE TRANSMISSIVELY TRANSVERSALITY TRANSVERSENESS TRANSVESTITISM ULTRAEXPENSIVE ULTRASENSITIVE ULTRAVIOLENCES UNAGGRESSIVELY UNAMBIVALENTLY UNAPPRECIATIVE UNAPPREHENSIVE UNATTRACTIVELY UNAVAILINGNESS UNCONVENTIONAL UNCULTIVATABLE UNDERACHIEVERS UNDERACHIEVING UNDERLEVERAGED UNDERVALUATION UNDISCOVERABLE UNDISCOVERABLY UNIVERSALISING UNIVERSALISTIC UNIVERSALITIES UNIVERSALIZING UNIVERSITARIAN UNPERSUASIVELY UNREMUNERATIVE UNSAVORINESSES UNVANQUISHABLE VALEDICTORIANS VALERIANACEOUS VALETUDINARIAN VALETUDINARIES VALUABLENESSES VAPORISHNESSES VAPOROUSNESSES VARIABLENESSES VECTORISATIONS VECTORIZATIONS VEGETARIANISMS VEGETATIVENESS VENERABILITIES VENERATIVENESS VENEREOLOGICAL VERBALISATIONS VERBALIZATIONS VERBIFICATIONS VERBIGERATIONS VERIFIABLENESS VERMICULATIONS VERNACULARISED VERNACULARISES VERNACULARISMS VERNACULARISTS VERNACULARIZED VERNACULARIZES VERNALISATIONS VERNALIZATIONS VERSIFICATIONS VERTICALNESSES VERTICILLATION VIGILANTNESSES VILLAINOUSNESS VINDICATRESSES VIOLABLENESSES VITATIVENESSES VIVIPAROUSNESS VOIDABLENESSES VOLATILENESSES VOUCHSAFEMENTS VRAISEMBLANCES VULNERABLENESS WAVERINGNESSES