There are 781 thirteen-letter words containing A, 2I, N and U, https://www.bestwordlist.com/c/a/5/13letterwordswithaiinu.htm ACQUIESCINGLY ACQUISITIONAL ACQUITTANCING ACRIMONIOUSLY ACTINOURANIUM ACTUALISATION ACTUALIZATION ADJUDICATIONS ADMINICULATED ADMINICULATES ADVENTURISTIC AGGLUTINATING AGGLUTINATION AGGLUTINATIVE ALUMINIFEROUS ALUMINOSITIES AMBITIOUSNESS AMINOACIDURIA AMMUNITIONING ANIMALCULISMS ANIMALCULISTS ANNUITISATION ANNUITIZATION ANNUNCIATIONS ANTEDILUVIANS ANTIAUTHORITY ANTIBOURGEOIS ANTICELLULITE ANTICLINORIUM ANTICOMMUNISM ANTICOMMUNIST ANTIDIURETICS ANTIEVOLUTION ANTIGLOBULINS ANTIGUERRILLA ANTIHUMANISMS ANTIHUMANISTS ANTIMARIJUANA ANTINEUTRINOS ANTIPOLLUTION ANTIPRURITICS ANTIQUITARIAN ANTIRELIGIOUS ANTIRHEUMATIC ANTIRITUALISM ANTISCORBUTIC ANTISEXUALITY ANTISMUGGLING ANTISUBMARINE APPROPINQUING APPROPINQUITY APTITUDINALLY ARTICULATIONS ATTITUDINALLY ATTITUDINISED ATTITUDINISER ATTITUDINISES ATTITUDINIZED ATTITUDINIZER ATTITUDINIZES ATTRIBUTIONAL AUCTIONEERING AUTHORISATION AUTHORITARIAN AUTHORIZATION AUTOINFECTION AUTOXIDATIONS BIGNONIACEOUS BILINGUALISMS BIOEQUIVALENT BIOTURBATIONS BOATBUILDINGS BOUGAINVILIAS BOUGAINVILLEA BRUTALISATION BRUTALIZATION CALLITHUMPIAN CALUMNIATIONS CAPITULATIONS CARBURISATION CARBURIZATION CARTILAGINOUS CASUALISATION CASUALIZATION CATALOGUISING CATALOGUIZING CAUSATIONISMS CAUSATIONISTS CAUTERISATION CAUTERIZATION CENSURABILITY CENTURIATIONS CHELUVIATIONS CIRCULARISING CIRCULARIZING CIRCUMAMBIENT CLAIRAUDIENCE CLAIRAUDIENTS CLAUDICATIONS COACHBUILDING COCULTIVATING COCULTIVATION COLLIQUATIONS COLOQUINTIDAS COLOURISATION COLOURIZATION COLUMNARITIES COLUMNIATIONS COMMUNALISING COMMUNALISTIC COMMUNALITIES COMMUNALIZING COMMUNICATING COMMUNICATION COMMUNICATIVE COMMUNISATION COMMUNITAIRES COMMUNITARIAN COMMUNIZATION CONCUBINARIES CONFIGURATING CONFIGURATION CONFIGURATIVE CONFUSABILITY CONJUGALITIES CONNUBIALISMS CONSANGUINITY CONTINUATIONS CONTINUATIVES CONTUMACITIES CRINICULTURAL CURARISATIONS CURARIZATIONS CURVILINEALLY CURVILINEARLY CUSTODIANSHIP CUSTOMISATION CUSTOMIZATION CUTINISATIONS CUTINIZATIONS DAUNORUBICINS DEATTRIBUTING DECARBURISING DECARBURIZING DECASUALISING DECASUALIZING DEDUPLICATING DEDUPLICATION DEFEUDALISING DEFEUDALIZING DEGLUTINATING DEGLUTINATION DEMUTUALISING DEMUTUALIZING DENTICULATION DENTILINGUALS DENUNCIATIONS DEPAUPERISING DEPAUPERIZING DEPUTISATIONS DEPUTIZATIONS DESEXUALISING DESEXUALIZING DIFUNCTIONALS DIJUDICATIONS DILUCIDATIONS DINOTURBATION DISANNULLINGS DISFIGURATION DISFUNCTIONAL DISHARMONIOUS DISILLUMINATE DISNATURALISE DISNATURALIZE DISPLEASURING DISQUALIFYING DISQUANTITIED DISQUANTITIES DISREPUTATION DISSIMULATING DISSIMULATION DOLPHINARIUMS DULCIFICATION DURALUMINIUMS ECUMENICALISM EDUCATIONISTS EFFIGURATIONS ENUMERABILITY ENUNCIATIVELY EPICUREANISMS EQUALISATIONS EQUALITARIANS EQUALIZATIONS EQUESTRIANISM EQUIBALANCING EQUIDISTANCES EQUIDISTANTLY EQUILIBRATING EQUILIBRATION EQUINOCTIALLY EQUIPARATIONS EQUIPARTITION EQUIPOTENTIAL EQUIVALENCIES EQUIVOCATIONS EUDAEMONISTIC EUDAIMONISTIC EUTHANATISING EUTHANATIZING EVANGELIARIUM EVENTUALISING EVENTUALITIES EVENTUALIZING EXCRUCIATIONS EXTINGUISHANT FASCICULATION FAULTFINDINGS FAUNISTICALLY FEUDALISATION FEUDALIZATION FLUIDISATIONS FLUIDIZATIONS FLUORIDATIONS FLUORINATIONS FORMULARISING FORMULARIZING FRUITARIANISM FUNCTIONALISM FUNCTIONALIST FUNCTIONALITY FUNCTIONARIES FUNCTIONATING FUSTILLIRIANS FUTILITARIANS GENICULATIONS GENITOURINARY GESTICULATING GESTICULATION GOURMANDISING GOURMANDIZING GRAMINICOLOUS GRAMINIVOROUS GRANULARITIES GRATICULATION GROUNDBAITING GUANETHIDINES GUARDIANSHIPS GUESSTIMATING GUTTURALISING GUTTURALIZING HAEMODILUTION HALLUCINATING HALLUCINATION HALLUCINATIVE HARMONIUMISTS HARUSPICATING HARUSPICATION HEMAGGLUTININ HIGHFALUTINGS HILARIOUSNESS HONOURABILITY HUMANISATIONS HUMANITARIANS HUMANIZATIONS HUMIFICATIONS HUMILIATINGLY HYDRAULICKING ILLAQUEATIONS ILLOCUTIONARY ILLUMINATIONS ILLUSTRATIONS IMMUNIFACIENT IMMUNISATIONS IMMUNIZATIONS IMMUNOLOGICAL IMPORTUNACIES IMPOSTUMATING IMPOSTUMATION INARTICULATES INAUDIBLENESS INAUGURATIONS INCAPSULATING INCAPSULATION INCLINATORIUM INCOMMUNICADO INCRUSTATIONS INCULPABILITY INCUNABULISTS INDISSUADABLE INDISSUADABLY INDIVIDUALISE INDIVIDUALISM INDIVIDUALIST INDIVIDUALITY INDIVIDUALIZE INDIVIDUATING INDIVIDUATION INDIVIDUATORS INDUPLICATION INDUSTRIALISE INDUSTRIALISM INDUSTRIALIST INDUSTRIALIZE INEDUCABILITY INEFFICACIOUS INEXACTITUDES INEXHAUSTIBLE INEXHAUSTIBLY INFIBULATIONS INFLUENTIALLY INFUNDIBULATE INFURIATINGLY INGURGITATING INGURGITATION INHALATORIUMS INOCCUPATIONS INOCULABILITY INOSCULATIONS INQUISITIONAL INQUISITORIAL INSALUBRITIES INSINUATINGLY INSTAURATIONS INSTINCTUALLY INSTITUTIONAL INSTRUCTIONAL INSUBORDINATE INSUBSTANTIAL INSUFFLATIONS INTERLUNATION INTERMOUNTAIN INTERPLUVIALS INTERQUARTILE INTERRADIUSES INTRATELLURIC INTUITIONALLY INTURBIDATING INVOLUNTARILY INVULTUATIONS ISOAGGLUTININ ISOSTHENURIAS JUSTIFICATION JUXTAPOSITION LANGUISHINGLY LATITUDINALLY LIEUTENANCIES LINGUISTICIAN LIQUEFACIENTS LIQUEFACTIONS LIQUIFACTIONS LUBRICATIONAL LUTEINISATION LUTEINIZATION LUXULLIANITES MAGNITUDINOUS MALICIOUSNESS MALNUTRITIONS MANIPULATIONS MANIPULATIVES MANRIKIGUSARI MARSUPIALIANS MASCULINISING MASCULINITIES MASCULINIZING MATRICULATING MATRICULATION MENSURABILITY MINIATURISING MINIATURISTIC MINIATURIZING MISASSUMPTION MISEDUCATIONS MISEVALUATING MISEVALUATION MISPERSUADING MISPERSUASION MISQUOTATIONS MISSUMMATIONS MOUNTAINSIDES MULTIAGENCIES MULTIFILAMENT MULTILOCATION MULTINATIONAL MULTIPLATINUM MULTIPLICANDS MULTIREGIONAL MULTITASKINGS MULTITERMINAL MULTITRACKING MULTITUDINARY MULTIVITAMINS MUMMIFICATION MUNDIFICATION MUNDIFICATIVE MUNICIPALISED MUNICIPALISES MUNICIPALISMS MUNICIPALISTS MUNICIPALIZED MUNICIPALIZES MUSICIANLIEST MUSICIANSHIPS MUTUALISATION MUTUALIZATION NATRIURESISES NEBULISATIONS NEBULIZATIONS NEURAMINIDASE NEUROFIBRILAR NEUROIMAGINGS NONCHAUVINIST NONDIAPAUSING NONDURABILITY NONEQUILIBRIA NONFIGURATIVE NONINDIVIDUAL NONINDUSTRIAL NONMUNICIPALS NONSINUSOIDAL NOUMENALITIES NULLIFICATION NULLIPARITIES NUTRICEUTICAL NUTRITIONALLY OBNUBILATIONS OMNIFARIOUSLY OMNISEXUALITY OUTBARGAINING OUTDISTANCING OUTORGANISING OUTORGANIZING OUTPASSIONING OUTVILLAINING OVERFATIGUING PANDICULATION PARTURIENCIES PAUPERISATION PAUPERIZATION PECULIARISING PECULIARIZING PEDICULATIONS PENINSULARITY PENINSULATING PICTURISATION PICTURIZATION PLATINIFEROUS PLATINIRIDIUM PLATITUDINISE PLATITUDINIZE PLATITUDINOUS PLESIOSAURIAN PLURALISATION PLURALIZATION PNEUMOBACILLI POSTDILUVIANS PRECAUTIONING PREFIGURATING PREFIGURATION PREINDUSTRIAL PREJUDICATING PREJUDICATION PREQUALIFYING PRONUNCIATION PROTACTINIUMS PROTOACTINIUM PRUDENTIALISM PRUDENTIALIST PRUDENTIALITY PRUSSIANISING PRUSSIANIZING PSEUDIMAGINES PUCCINIACEOUS PULVERISATION PULVERIZATION PUNCTUALITIES PUNISHABILITY PURIFICATIONS PURITANICALLY PUSILLANIMITY PUSILLANIMOUS PUTANGITANGIS PUTRIFICATION QUADRIENNIUMS QUADRIGEMINAL QUADRILINGUAL QUADRILLIONTH QUADRINOMIALS QUADRIPHONICS QUADRISECTING QUADRISECTION QUALIFICATION QUANTISATIONS QUANTITATIONS QUANTIZATIONS QUATERNIONIST QUESTIONARIES QUESTIONNAIRE QUINCUNCIALLY QUINDECENNIAL QUINQUENNIADS QUINQUENNIALS QUINQUIVALENT QUINTUPLICATE RADIONUCLIDES REACQUAINTING REACQUISITION REATTRIBUTING REATTRIBUTION REAUTHORISING REAUTHORIZING RECIRCULATING RECIRCULATION RECULTIVATING RECULTIVATION REDUPLICATING REDUPLICATION REFUNDABILITY REGURGITATING REGURGITATION REINOCULATING REINOCULATION RELUBRICATING RELUBRICATION RENUNCIATIONS REPUBLICANISE REPUBLICANISM REPUBLICANIZE REPUBLICATION RESTIMULATING RESTIMULATION RESUPINATIONS RESUSCITATING RESUSCITATION RETICULATIONS RETURNABILITY REUNIFICATION REUTILISATION REUTILIZATION REVICTUALLING REVISUALIZING RITUALISATION RITUALIZATION ROADBUILDINGS ROUTINISATION ROUTINIZATION RUDIMENTARILY RUGGEDISATION RUGGEDIZATION RURALISATIONS RURALIZATIONS SALVINIACEOUS SANCTIMONIOUS SANCTUARISING SANCTUARIZING SATURNINITIES SCAPULIMANTIC SEQUENTIALITY SEXUALISATION SEXUALIZATION SINGULARISING SINGULARITIES SINGULARIZING SITUATIONALLY SITUATIONISMS SLUGGARDISING SLUGGARDIZING SPIRITUALNESS STAMINIFEROUS STIMULATINGLY STRIDULATIONS STUDDINGSAILS SUBCLINICALLY SUBDIVISIONAL SUBERISATIONS SUBERIZATIONS SUBINDICATING SUBINDICATION SUBINDICATIVE SUBIRRIGATING SUBIRRIGATION SUBLIBRARIANS SUBLINEATIONS SUBMINIATURES SUBORDINARIES SUBORDINATING SUBORDINATION SUBORDINATIVE SUBPRINCIPALS SUBSIDISATION SUBSIDIZATION SUBSISTENTIAL SUBSTANTIVISE SUBSTANTIVITY SUBSTANTIVIZE SUBTILISATION SUBTILIZATION SUBURBANISING SUBURBANITIES SUBURBANIZING SUBURBICARIAN SUBVOCALISING SUBVOCALIZING SUFFUMIGATING SUFFUMIGATION SULFADIAZINES SULFADIMIDINE SULFANILAMIDE SULFURISATION SULFURIZATION SULPHADIAZINE SUMMARISATION SUMMARIZATION SUPERADDITION SUPERCRIMINAL SUPERDAINTIER SUPERMILITANT SUPERPRAISING SUPPLICATIONS SUPPOSITIONAL TACITURNITIES TAMBOURINISTS TAUTOLOGISING TAUTOLOGIZING THURIFICATION TINTINNABULAR TINTINNABULUM TRADUCIANISMS TRADUCIANISTS TRANQUILISERS TRANQUILISING TRANQUILITIES TRANQUILIZERS TRANQUILIZING TRANQUILLISED TRANQUILLISER TRANQUILLISES TRANQUILLIZED TRANQUILLIZER TRANQUILLIZES TRANSFIGURING TRANSLUCIDITY TRIANGULARITY TRIANGULATING TRIANGULATION TRIBUTARINESS TRIFURCATIONS TRILINGUALISM TRIPUDIATIONS UBIQUITARIANS UGLIFICATIONS ULTRAFEMININE ULTRAMILITANT UMBILICATIONS UNACQUAINTING UNAMBITIOUSLY UNANTICIPATED UNAPOLOGISING UNAPOLOGIZING UNASSIMILABLE UNASSIMILABLY UNASSIMILATED UNATHLETICISM UNBARRICADING UNCAPITALISED UNCAPITALIZED UNCERTAINTIES UNCHARISMATIC UNCHRISTIANED UNCHRISTIANLY UNCOMPLAINING UNCONDITIONAL UNDERACTIVITY UNDERDRAINING UNDERPAINTING UNDERPRAISING UNDEVIATINGLY UNDIALECTICAL UNDISGUISABLE UNDISSOCIATED UNDISTRACTING UNDOCTRINAIRE UNDULATIONIST UNEMPIRICALLY UNFAILINGNESS UNFALSIFIABLE UNFAMILIARITY UNFEUDALISING UNFEUDALIZING UNICAMERALISM UNICAMERALIST UNIDEOLOGICAL UNILATERALISM UNILATERALIST UNILATERALITY UNILINGUALISM UNILINGUALIST UNILLUMINATED UNIMAGINATIVE UNIMPASSIONED UNINFLUENTIAL UNINFORMATIVE UNINHABITABLE UNINTENTIONAL UNINTIMIDATED UNIONISATIONS UNIONIZATIONS UNIPOLARITIES UNITARIANISMS UNIVERSALISED UNIVERSALISES UNIVERSALISMS UNIVERSALISTS UNIVERSALIZED UNIVERSALIZES UNJUSTIFIABLE UNJUSTIFIABLY UNKNOWABILITY UNMALICIOUSLY UNMECHANISING UNMECHANIZING UNMEDICINABLE UNMINISTERIAL UNMITIGATEDLY UNNILQUADIUMS UNORIGINALITY UNPARASITISED UNPARASITIZED UNPLASTICISED UNPLASTICIZED UNQUALIFIABLE UNQUALIFIEDLY UNREADABILITY UNRELIABILITY UNSAINTLINESS UNSALEABILITY UNSANCTIFYING UNSATISFIABLE UNSOCIABILITY UNSOCIALITIES UNSPECIALISED UNSPECIALIZED UNSPECIFIABLE UNSPIRITUALLY UNSTIGMATISED UNSTIGMATIZED UNSUITABILITY UNTHRIFTIHEAD UNTRADITIONAL UNVITRIFIABLE UNVULGARISING UNVULGARIZING UNWITHDRAWING UNWORKABILITY URALITISATION URALITIZATION URBANISATIONS URBANIZATIONS USTILAGINEOUS VACUOLISATION VACUOLIZATION VASCULARISING VASCULARIZING VAUDEVILLIANS VENTRILOQUIAL VERMICULATING VERMICULATION VESICULATIONS VIBRATIUNCLES VICARIOUSNESS VISUALISATION VISUALIZATION VITUPERATIONS VIVACIOUSNESS VOLUNTARISTIC VULCANICITIES VULCANISATION VULCANIZATION VULGARISATION VULGARIZATION VULNERABILITY YUPPIFICATION