There are 493 fourteen-letter words containing A, I, T and V, https://www.bestwordlist.com/c/a/4/14letterwordswithaitv.htm ABORTIVENESSES ABSORPTIVENESS ABSORPTIVITIES ACCUMULATIVELY ADAPTIVENESSES ADMINISTRATIVE 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 CONVENTIONALLY CONVERSATIONAL CONVERTIPLANES 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 DRIVEABILITIES ELIMINATIVISMS 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 GILLRAVITCHING 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 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 OVERACTIVITIES OVERADVERTISED OVERADVERTISES OVERADVERTIZED OVERADVERTIZES OVERANALYTICAL OVERARTICULATE OVERASSERTIONS OVERATTENTIONS OVERBREATHINGS OVERCAPACITIES OVERCAPITALISE OVERCAPITALIZE OVERCAUTIOUSLY OVERCENTRALISE OVERCENTRALIZE OVERCOMPLICATE OVERDECORATING OVERDECORATION OVERDRAMATISED OVERDRAMATISES OVERDRAMATIZED OVERDRAMATIZES OVEREDUCATIONS OVERENTHUSIASM OVERESTIMATING OVERESTIMATION OVEREVALUATING OVEREVALUATION OVEREXTRACTION OVERFASTIDIOUS OVERHARVESTING OVERINFLATIONS OVERMATURITIES OVERMEDICATING OVERMEDICATION OVERPARTICULAR OVERPOPULATING OVERPOPULATION OVERREGULATING OVERREGULATION OVERSATURATING OVERSATURATION OVERSTIMULATED OVERSTIMULATES OVERVALUATIONS OVERWEATHERING PENTAVALENCIES PERCEIVABILITY PERFORMATIVELY PERSEVERATIONS 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 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 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 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 VULCANISATIONS VULCANIZATIONS VULCANOLOGISTS VULGARISATIONS VULGARIZATIONS VULVOVAGINITIS