There are 406 fourteen-letter words containing 2A, R, T and U, https://www.bestwordlist.com/c/a/5/14letterwordswithaartu.htm ACCULTURATIONS ACCURATENESSES ACTINOURANIUMS ADIATHERMANOUS ADMEASUREMENTS AERENCHYMATOUS AERONAUTICALLY AGRICULTURALLY AGROINDUSTRIAL ALTITUDINARIAN ALTRUISTICALLY AMARANTHACEOUS AMATEURISHNESS ANARTHROUSNESS ANTHRAQUINONES ANTHROPOPHAGUS ANTIBARBARUSES ANTIGUERRILLAS ANTINUCLEARIST ANTIQUARIANISM ANTIQUITARIANS ANTIREGULATORY ANTIREPUBLICAN ANTIRHEUMATICS ANTIRITUALISMS ANTISCRIPTURAL ANTITUBERCULAR APPROPINQUATED APPROPINQUATES AQUACULTURISTS ARBORICULTURAL ARGUMENTATIONS ARMAMENTARIUMS ARTICULATENESS ARTIODACTYLOUS ATTITUDINARIAN AUDIOMETRICIAN AUTHENTICATORS AUTHORISATIONS AUTHORITARIANS AUTHORIZATIONS AUTOBIOGRAPHER AUTOBIOGRAPHIC AUTOCOPROPHAGY AUTOCRATICALLY AUTORADIOGRAMS AUTORADIOGRAPH AUTOTETRAPLOID AUTOTYPOGRAPHY AVASCULARITIES AVERRUNCATIONS AVUNCULARITIES BACCALAUREATES BIOAERONAUTICS BRUTALISATIONS BRUTALIZATIONS BUREAUCRATESES BUREAUCRATISED BUREAUCRATISES BUREAUCRATISMS BUREAUCRATISTS BUREAUCRATIZED BUREAUCRATIZES CANTANKEROUSLY CARBURISATIONS CARBURIZATIONS CAUTERISATIONS CAUTERIZATIONS CHATEAUBRIANDS CIRCUMAMBULATE CIRCUMNAVIGATE CIRCUMSTANTIAL CIRCUMVALLATED CIRCUMVALLATES CLAIRAUDIENTLY CLAUSTROPHILIA CLAUSTROPHOBIA COASTGUARDSMAN COASTGUARDSMEN COMMUNAUTAIRES COMMUNITARIANS COMPURGATORIAL CONGRATULATING CONGRATULATION CONGRATULATIVE CONGRATULATORS CONGRATULATORY CONNATURALISED CONNATURALISES CONNATURALIZED CONNATURALIZES CONNATURALNESS CONSTABULARIES CONTRAPUNTALLY COUNTERASSAULT COUNTERATTACKS COUNTERBALANCE COUNTERFACTUAL CYANOBACTERIUM DAUGHTERBOARDS DEAMBULATORIES DEARTICULATING DECARBURATIONS DEGRANULATIONS DENATURALISING DENATURALIZING DESQUAMATORIES DIAMANTIFEROUS DISARTICULATED DISARTICULATES DISARTICULATOR DISNATURALISED DISNATURALISES DISNATURALIZED DISNATURALIZES DOCUMENTARIANS ELEUTHEROMANIA EMPYREUMATICAL EQUIANGULARITY EXCLAUSTRATION EXTRAFORANEOUS EXTRAVEHICULAR FLUNITRAZEPAMS FLUOROACETATES FRUITARIANISMS GALACTOPHOROUS GASTRODUODENAL GASTROVASCULAR GLUTARALDEHYDE GRANDDAUGHTERS GRATICULATIONS HARUSPICATIONS HEADQUARTERING HEPATOCELLULAR ICHTHYOSAURIAN ILLUSTRATIONAL INACCURATENESS INARTICULACIES INARTICULATELY INARTICULATION INTERAMBULACRA INTERJACULATED INTERJACULATES INTRACUTANEOUS INTRAMEDULLARY INTRAMERCURIAL INTRAMOLECULAR INTRANSMUTABLE JOURNALISATION JOURNALIZATION LATITUDINARIAN MACRODACTYLOUS MACROMUTATIONS MALACOSTRACOUS MANUFACTURABLE MANUFACTURINGS MATRICULATIONS MINICALCULATOR MISARTICULATED MISARTICULATES MISCALCULATORS MONOUNSATURATE MOUNTAINBOARDS MULTARTICULATE MULTICHARACTER MULTIFACTORIAL MULTILATERALLY MULTIPARAMETER MULTIRACIALISM NATURALISATION NATURALIZATION NEURASTHENIACS NEUROANATOMIES NEUROANATOMIST NEUROBLASTOMAS NEUROFIBROMATA NEUTRALISATION NEUTRALIZATION NONBARBITURATE NONCONTRACTUAL NONSPECTACULAR NONUTILITARIAN NUCLEARISATION NUCLEARIZATION NUDIBRANCHIATE NUTRACEUTICALS OVERABUNDANTLY OVERACCENTUATE OVERARTICULATE OVEREVALUATING OVEREVALUATION OVERPARTICULAR OVERSATURATING OVERSATURATION OVERVALUATIONS PACHYDERMATOUS PALAEOCURRENTS PARALINGUISTIC PARAMENSTRUUMS PARANTHROPUSES PARENCHYMATOUS PARTICULARISED PARTICULARISER PARTICULARISES PARTICULARISMS PARTICULARISTS PARTICULARIZED PARTICULARIZER PARTICULARIZES PARTICULARNESS PARTURIFACIENT PASTEURISATION PASTEURIZATION PAUPERISATIONS PAUPERIZATIONS PERAMBULATIONS PERSUADABILITY PERTURBATIONAL PHARMACEUTICAL PHARMACEUTISTS PHONAUTOGRAPHS PLEASURABILITY PLURALISATIONS PLURALIZATIONS POLYUNSATURATE POPULARISATION POPULARIZATION PORTULACACEOUS POSTGRADUATION PREACQUAINTING PREDEVALUATION PREMANUFACTURE PROPAEDEUTICAL PROTOLANGUAGES PURCHASABILITY QUADRIGEMINATE QUADRILATERALS QUADRILITERALS QUADRUMVIRATES QUADRUPLICATED QUADRUPLICATES QUAESTIONARIES QUARTERBACKING QUARTERMASTERS QUARTODECIMANS QUASIPARTICLES QUODLIBETARIAN RADIOAUTOGRAPH REACQUAINTANCE REARTICULATING REARTICULATION RECALCULATIONS RECAPITULATING RECAPITULATION RECAPITULATIVE RECAPITULATORY RECTANGULARITY REGULARISATION REGULARIZATION REHUMANIZATION REMANUFACTURED REMANUFACTURER REMANUFACTURES RESTAURANTEURS RHEUMATOIDALLY RITUALISATIONS RITUALIZATIONS SALUTARINESSES SATURABILITIES SAUROPTERYGIAN SECULARISATION SECULARIZATION SEPTUAGENARIAN SEPTUAGENARIES SLANTENDICULAR SLANTINDICULAR SOLITUDINARIAN SOMNAMBULATORS SOUTHEASTWARDS SPECTACULARITY SQUATTOCRACIES STRANGULATIONS STRATICULATION SUBAGGREGATION SUBALTERNATION SUBPROLETARIAT SUBSATURATIONS SUBSTANTIATORS SUBTERRANEANLY SUMMARISATIONS SUMMARIZATIONS SUOVETAURILIAS SUPERANNUATING SUPERANNUATION SUPERNATATIONS SUPERNATURALLY SUPERSATURATED SUPERSATURATES SUPERTERRANEAN SUPRASEGMENTAL TABULARISATION TABULARIZATION TELAUTOGRAPHIC TETRADACTYLOUS THAUMATOGRAPHY THAUMATROPICAL THAUMATURGICAL THAUMATURGISMS THAUMATURGISTS THAUMATURGUSES TINTINNABULARY TRADUCIANISTIC TRANSCAUCASIAN TRANSCUTANEOUS TRANSDUCTIONAL TRANSEXUALISMS TRANSMUTATIONS TRANSSEXUALISM TRANSSEXUALITY TRANSVALUATING TRANSVALUATION TRAUMATISATION TRAUMATIZATION TRAUMATOLOGIES TRIANGULATIONS TURANGAWAEWAES TYRANNOSAURIDS ULTRACREPIDATE ULTRAFILTRATES ULTRAGLAMOROUS ULTRAHAZARDOUS ULTRAMARATHONS ULTRAMASCULINE ULTRAMILITANTS ULTRAMINIATURE ULTRAMONTANISM ULTRAMONTANIST ULTRAPATRIOTIC ULTRAPRACTICAL ULTRAREALISTIC ULTRAROMANTICS ULTRAROYALISTS ULTRASONICALLY ULTRAWIDEBANDS UNACCULTURATED UNALTERABILITY UNAPPRECIATION UNAPPRECIATIVE UNAPPROPRIATED UNAPPROPRIATES UNARTIFICIALLY UNATTRACTIVELY UNATTRIBUTABLE UNATTRIBUTABLY UNBUREAUCRATIC UNDERGRADUATES UNDERSATURATED UNDERSTANDABLE UNDERSTANDABLY UNDERVALUATION UNDRAMATICALLY UNFRACTIONATED UNICAMERALISTS UNIFORMITARIAN UNILATERALISMS UNILATERALISTS UNINGRATIATING UNIVERSITARIAN UNMANUFACTURED UNMATERIALISED UNMATERIALIZED UNMATRICULATED UNMERCHANTABLE UNMETAPHORICAL UNNATURALISING UNNATURALIZING UNPLEASANTRIES UNPRACTICALITY UNRECAPTURABLE UNRESTRAINABLE UNROMANTICALLY UNSATISFACTORY UNSECTARIANISM UNSTANDARDISED UNSTANDARDIZED UNTRANSFERABLE UNTRANSLATABLE UNTRANSLATABLY UNTRANSMUTABLE UPGRADEABILITY URALITISATIONS URALITIZATIONS URANOGRAPHISTS URBANISTICALLY UTILITARIANISE UTILITARIANISM UTILITARIANIZE VALETUDINARIAN VALETUDINARIES VERNACULARISTS VILLEGGIATURAS VIRTUALISATION VIRTUALIZATION VULGARISATIONS VULGARIZATIONS WHATABOUTERIES