There are 524 fourteen-letter words containing A, T and V, https://www.bestwordlist.com/c/a/3/14letterwordswithatv.htm
ABORTIVENESSES ABSORPTIVENESS ABSORPTIVITIES ACCUMULATIVELY ADAPTIVENESSES
ADMINISTRATIVE ADVANTAGEOUSLY ADVENTITIOUSLY ADVERTISEMENTS ADVERTIZEMENTS
ADVISABILITIES AGGRESSIVITIES ALIMENTIVENESS ALLITERATIVELY ANTEDILUVIALLY
ANTICIPATIVELY ANTICONVULSANT ANTICONVULSIVE ANTICORROSIVES ANTIDERIVATIVE
ANTIEVOLUTIONS ANTIGOVERNMENT ANTINARRATIVES ANTIREFLECTIVE ANTIRESORPTIVE
ANTIRETROVIRAL ANTISUBVERSION ANTISUBVERSIVE ANTIUNIVERSITY APPRECIATIVELY
ASSAULTIVENESS ASSEVERATINGLY ASSIMILATIVELY ASTRONAVIGATOR ATTRACTIVENESS
AUGMENTATIVELY AUTOSUGGESTIVE AVAILABILITIES AVASCULARITIES AVERRUNCATIONS
AVUNCULARITIES BEHAVIOURISTIC CIRCUMNAVIGATE CIRCUMVALLATED CIRCUMVALLATES
CIVILISATIONAL CIVILIZATIONAL CLAVICHORDISTS CLAVICYTHERIUM CLEAVABILITIES
COCULTIVATIONS COEVOLUTIONARY COGITATIVENESS COINVESTIGATOR COLLABORATIVES
COMMEMORATIVES COMPARATIVISTS CONCEIVABILITY CONGLOMERATIVE CONGLUTINATIVE
CONGRATULATIVE CONSERVATIONAL CONSERVATISING CONSERVATIVELY CONSERVATIZING
CONSERVATOIRES CONSERVATORIAL CONSERVATORIES CONSERVATORIUM CONSERVATRICES
CONSERVATRIXES CONSULTATIVELY CONTEMPLATIVES CONTINUATIVELY CONTRACEPTIVES
CONTRAGESTIVES CONTRAPOSITIVE CONTRAVENTIONS CONVALESCENTLY CONVENTIONALLY
CONVERSATIONAL CONVERTAPLANES CONVERTIPLANES CONVERTOPLANES CONVIVIALITIES
CONVOCATIONIST CONVOLUTIONARY CORPORATIVISMS CORROBORATIVES COUNTERVAILING
CREATIVENESSES CRUCIVERBALIST CUMULATIVENESS CURATIVENESSES CURVILINEARITY
DAREDEVILTRIES DATAVEILLANCES DECORATIVENESS DELIBERATIVELY DELIVERABILITY
DEMONSTRATIVES DENOMINATIVELY DERIVATIONALLY DERIVATIONISTS DERIVATISATION
DERIVATIVENESS DERIVATIZATION DETERMINATIVES DEVALORISATION DEVALORIZATION
DEVITALISATION DEVITALIZATION DEVOTIONALISTS DEVOTIONALNESS DISADVANTAGING
DISADVENTUROUS DISAGGREGATIVE DISAPPROBATIVE DISCRIMINATIVE DISINTEGRATIVE
DISINVIGORATED DISINVIGORATES DISPENSATIVELY DISSEVERATIONS DISSOLVABILITY
DIVARICATINGLY DIVERTICULATED DORSIVENTRALLY DORSOVENTRALLY DRIVEABILITIES
ELECTROVALENCE ELECTROVALENCY ELIMINATIVISMS ENDEAVOURMENTS ENVENOMISATION
ENVENOMIZATION EQUIVOCALITIES EQUIVOCATINGLY EVANGELISATION EVANGELIZATION
EVOLUTIONARILY EXHAUSTIVENESS EXHAUSTIVITIES EXPECTORATIVES EXPLOITATIVELY
EXTRAVAGANCIES EXTRAVAGATIONS EXTRAVASATIONS EXTRAVEHICULAR EXTRAVERSIVELY
FAVORABILITIES FERMENTATIVELY FIGURATIVENESS FREQUENTATIVES GALVANISATIONS
GALVANIZATIONS GALVANOMETRIES GALVANOPLASTIC GALVANOTROPISM GASTROVASCULAR
GILLRAVITCHING GOVERNMENTALLY HEAVYHEARTEDLY HYPERVENTILATE ILLUSTRATIVELY
IMMOVABILITIES IMMUNOREACTIVE IMPERATIVENESS IMPERVIABILITY IMPROVISATIONS
IMPROVISATORES IMPROVISATRICE IMPROVVISATORE INACTIVENESSES INADVERTENCIES
INADVISABILITY INAPPRECIATIVE INDIVIDUALISTS INDIVIDUATIONS INEVITABLENESS
INHABITIVENESS INNOVATIONISTS INNOVATIVENESS INOBSERVATIONS INTERAVAILABLE
INTERBEHAVIORS INTERBEHAVIOUR INTERCLAVICLES INTEROPERATIVE INTERPRETATIVE
INTERROGATIVES INTERVALOMETER INTERVENTIONAL INTERVERTEBRAL INTERWEAVEMENT
INTRANSITIVELY INTRANSITIVITY INTRAVASATIONS INVESTIGATIONS INVETERATENESS
INVIGORATINGLY INVIGORATIVELY INVOLUCELLATED IRRELATIVENESS IRREMOVABILITY
IRREVOCABILITY LAEVOROTATIONS LATEROVERSIONS LAXATIVENESSES MACROEVOLUTION
MANIPULATIVELY MEDIAEVALISTIC MEDITATIVENESS MEGAVERTEBRATE METANARRATIVES
MICROGRAVITIES MISADVENTURERS MISADVENTUROUS MISADVERTENCES MISEVALUATIONS
MOTIVATIONALLY MULTIPLICATIVE MULTIVALENCIES MULTIVIBRATORS MUNDIFICATIVES
NAVIGABILITIES NAVIGATIONALLY NEGATIVENESSES NOCTIVAGATIONS NONACHIEVEMENT
NONACQUISITIVE NONASSERTIVELY NONCHAUVINISTS NONCOMMUTATIVE NONCOOPERATIVE
NONCULTIVATION NONDERIVATIVES NONEQUIVALENTS NONINTERACTIVE NONRADIOACTIVE
NONRETROACTIVE NONSPECULATIVE NONVEGETARIANS NONVOLUNTARIES NOVELISTICALLY
OBJECTIVATIONS OPINIONATIVELY OUTFANGTHIEVES OUTMANEUVERING OUTMANOEUVRING
OVARIECTOMISED OVARIECTOMIZED OVERABUNDANTLY OVERACCENTUATE OVERACTIVITIES
OVERADJUSTMENT OVERADVERTISED OVERADVERTISES OVERADVERTIZED OVERADVERTIZES
OVERANALYTICAL OVERARTICULATE OVERASSERTIONS OVERASSESSMENT OVERATTENTIONS
OVERBREATHINGS OVERCAPACITIES OVERCAPITALISE OVERCAPITALIZE OVERCAUTIOUSLY
OVERCENTRALISE OVERCENTRALIZE OVERCOMPENSATE OVERCOMPLICATE OVERDECORATING
OVERDECORATION OVERDRAMATISED OVERDRAMATISES OVERDRAMATIZED OVERDRAMATIZES
OVEREDUCATIONS OVERELABORATED OVERELABORATES OVERENTHUSIASM OVERESTIMATING
OVERESTIMATION OVEREVALUATING OVEREVALUATION OVEREXAGGERATE OVEREXTRACTION
OVERFASTIDIOUS OVERHARVESTING OVERINFLATIONS OVERMANAGEMENT OVERMATURITIES
OVERMEDICATING OVERMEDICATION OVERORNAMENTED OVERPARTICULAR OVERPOPULATING
OVERPOPULATION OVERREGULATING OVERREGULATION OVERSATURATING OVERSATURATION
OVERSPECULATED OVERSPECULATES OVERSTATEMENTS OVERSTIMULATED OVERSTIMULATES
OVERTREATMENTS OVERVALUATIONS OVERWEATHERING PENTAVALENCIES PERCEIVABILITY
PERFORMATIVELY PERSEVERATIONS PHOTOENGRAVERS PHOTOENGRAVING PHOTOOXIDATIVE
PLUVIOMETRICAL PREDESTINATIVE PREDEVALUATION PREOPERATIVELY PRESERVABILITY
PRESERVATORIES PREVARICATIONS PREVENTABILITY PRIVATISATIONS PRIVATIZATIONS
PROVEABILITIES PROVENTRICULAR PROVERBIALISTS PROVIDENTIALLY PROVINCIALISTS
PULVERISATIONS PULVERIZATIONS QUADRUMVIRATES QUALIFICATIVES QUANTITATIVELY
QUANTIVALENCES RADIOACTIVATED RADIOACTIVATES RADIOSENSITIVE REACTIVENESSES
RECAPITULATIVE RECONVALESCENT RECOVERABILITY RECULTIVATIONS RECURVIROSTRAL
REDINTEGRATIVE REFRACTIVENESS REFRACTIVITIES REGENERATIVELY REHABILITATIVE
REINNERVATIONS REINVESTIGATED REINVESTIGATES REINVIGORATING REINVIGORATION
REINVIGORATORS RELATIVENESSES RELATIVISATION RELATIVIZATION REMOVABILITIES
REMUNERATIVELY REPRESENTATIVE RESERVATIONIST RETRIEVABILITY REVACCINATIONS
REVALORISATION REVALORIZATION REVELATIONISTS REVENDICATIONS REVERBERATIONS
REVINDICATIONS REVITALISATION REVITALIZATION REVIVABILITIES REVIVIFICATION
REVOCABILITIES REVOKABILITIES SALVAGEABILITY SEPARATIVENESS SERONEGATIVITY
SERVICEABILITY SEVERABILITIES SIMPLIFICATIVE SOVIETISATIONS SOVIETIZATIONS
SOVIETOLOGICAL STRATOVOLCANOS SUBSTANTIATIVE SUBSTANTIVALLY SUBSTANTIVISED
SUBSTANTIVISES SUBSTANTIVIZED SUBSTANTIVIZES SUOVETAURILIAS SUPERELEVATING
SUPERELEVATION SUPEREROGATIVE SUPERGRAVITIES SUPEROVULATING SUPEROVULATION
TELEVANGELICAL TELEVANGELISMS TELEVANGELISTS TELEVISIONALLY TENDOVAGINITIS
TERGIVERSATING TERGIVERSATION TERGIVERSATORS TERGIVERSATORY TETRAVALENCIES
TRANSFORMATIVE TRANSITIVENESS TRANSITIVITIES TRANSMIGRATIVE TRANSMISSIVELY
TRANSMISSIVITY TRANSMITTIVITY TRANSVALUATING TRANSVALUATION TRANSVERSALITY
TRANSVERSENESS TRANSVESTITISM TRIVIALISATION TRIVIALIZATION TSESAREVITCHES
ULTRACIVILISED ULTRACIVILIZED ULTRAEXCLUSIVE ULTRAEXPENSIVE ULTRASENSITIVE
ULTRAVIOLENCES UNAMBIVALENTLY UNAPPRECIATIVE UNATTRACTIVELY UNAVAILABILITY
UNAVOIDABILITY UNCHAUVINISTIC UNCONVENTIONAL UNCULTIVATABLE UNDERVALUATION
UNIVERSALISTIC UNIVERSALITIES UNIVERSITARIAN UNREMUNERATIVE VACUOLISATIONS
VACUOLIZATIONS VALEDICTORIANS VALETUDINARIAN VALETUDINARIES VANDALISATIONS
VANDALIZATIONS VAPORABILITIES VARIOLISATIONS VARIOLIZATIONS VASOACTIVITIES
VASODILATATION VASODILATATORY VASOINHIBITORS VASOINHIBITORY VECTORISATIONS
VECTORIZATIONS VEGETARIANISMS VEGETATIVENESS VENERABILITIES VENERATIVENESS
VERBALISATIONS VERBALIZATIONS VERBIFICATIONS VERBIGERATIONS VERIDICALITIES
VERMICULATIONS VERNACULARISTS VERNALISATIONS VERNALIZATIONS VERSIFICATIONS
VERTICALNESSES VERTICILLASTER VERTICILLATELY VERTICILLATION VESICULARITIES
VIBROFLOTATION VICTIMISATIONS VICTIMIZATIONS VIDEOCASSETTES VIGILANTNESSES
VILLAGISATIONS VILLAGIZATIONS VILLEGGIATURAS VINDICATRESSES VIRTUALISATION
VIRTUALIZATION VISUALISATIONS VISUALIZATIONS VITALISTICALLY VITATIVENESSES
VITICULTURALLY VITILITIGATING VITILITIGATION VITRIFIABILITY VITRIFICATIONS
VITRIOLISATION VITRIOLIZATION VITUPERATIVELY VOCATIONALISMS VOCATIONALISTS
VOLATILENESSES VOLATILISATION VOLATILIZATION VOLCANISATIONS VOLCANIZATIONS
VOLCANOLOGISTS VOLUMETRICALLY VOUCHSAFEMENTS VULCANISATIONS VULCANIZATIONS
VULCANOLOGISTS VULGARISATIONS VULGARIZATIONS VULVOVAGINITIS