There are 740 fifteen-letter words containing 2A, 2I and R, https://www.bestwordlist.com/c/a/5/15letterwordswithaaiir.htm ABORIGINALITIES ABSORBABILITIES ABSTRACTIONISMS ABSTRACTIONISTS ACHROMATICITIES ACHROMATISATION ACHROMATIZATION ACIDIMETRICALLY ACQUIRABILITIES ACTINOTHERAPIES ADIATHERMANCIES ADMINISTRATIONS ADSORBABILITIES AERODYNAMICISTS AEROELASTICIANS AEROSOLISATIONS AEROSOLIZATIONS AFFORDABILITIES AGRIBUSINESSMAN AGRICULTURALIST ALGORITHMICALLY ALLEGORISATIONS ALLEGORIZATIONS ALTITUDINARIANS AMPHITHEATRICAL ANAGRAMMATISING ANAGRAMMATIZING ANARCHISTICALLY ANFRACTUOSITIES ANIMATRONICALLY ANISOTROPICALLY ANSWERABILITIES ANTAPHRODISIACS ANTIABORTIONIST ANTIAPHRODISIAC ANTIARRHYTHMICS ANTICARCINOGENS ANTICHRISTIANLY ANTICLERICALISM ANTIDERIVATIVES ANTIDIARRHOEALS ANTIEGALITARIAN ANTIFEDERALISTS ANTILIBERALISMS ANTILIBERTARIAN ANTILOGARITHMIC ANTIMATERIALISM ANTIMATERIALIST ANTIMILITARISMS ANTIMILITARISTS ANTIMONARCHICAL ANTIMONARCHISTS ANTINUCLEARISTS ANTIPERISTALSES ANTIPERISTALSIS ANTIPERISTALTIC ANTIPERSPIRANTS ANTIQUARIANISMS ANTIRADICALISMS ANTIRATIONALISM ANTIRATIONALIST ANTIRATIONALITY ANTIREPUBLICANS ANTIRETROVIRALS ANTIROMANTICISM ANTISEGREGATION ANTISEPARATISTS ANTITHEORETICAL ANTITRADITIONAL ANTITRANSPIRANT ANTITRINITARIAN APPENDICULARIAN APPROACHABILITY APPROPINQUATING APPROPINQUATION ARACHNOIDITISES ARBITRARINESSES ARCHIDIACONATES ARCHIEPISCOPACY ARCHIEPISCOPATE ARIBOFLAVINOSES ARIBOFLAVINOSIS ARTERIALISATION ARTERIALIZATION ARTERIOGRAPHIES ARTIFICIALISING ARTIFICIALITIES ARTIFICIALIZING ASTRODYNAMICIST ASTRONAVIGATION ATRABILIOUSNESS ATTITUDINARIANS AUDIOMETRICALLY AUDIOMETRICIANS AUTHORITATIVELY AUTOBIOGRAPHIES BACTERIOLOGICAL BACTERIOPHAGIES BASTARDISATIONS BASTARDIZATIONS BIBLIOGRAPHICAL BIOASTRONAUTICS BIODEGRADATIONS BIOGEOGRAPHICAL BIOSTRATIGRAPHY BIPARTISANSHIPS BIPOLARISATIONS BIPOLARIZATIONS BRACHIOCEPHALIC BRACHYPINAKOIDS BREATHABILITIES BREATHARIANISMS BUREAUCRATISING BUREAUCRATIZING CALENDARISATION CALENDARIZATION CALORIFICATIONS CANISTERISATION CANISTERIZATION CAPRIFOLIACEOUS CARAMELISATIONS CARAMELIZATIONS CARDIOGRAPHICAL CATEGORISATIONS CATEGORIZATIONS CATHETERISATION CATHETERIZATION CENTENARIANISMS CENTRALISATIONS CENTRALIZATIONS CHAMBERLAINSHIP CHARACTERISTICS CHARGEABILITIES CHORIOALLANTOIC CHORIOALLANTOIS CHORIOCARCINOMA CINEANGIOGRAPHY CINEMATOGRAPHIC CIRCULARISATION CIRCULARIZATION CIRCUMAMBAGIOUS CIRCUMNAVIGABLE CIRCUMNAVIGATED CIRCUMNAVIGATES CIRCUMNAVIGATOR CIRCUMSTANTIALS CIRCUMSTANTIATE CIRCUMVALLATING CIRCUMVALLATION CLAUSTROPHILIAS CLIMACTERICALLY CLIMATOGRAPHIES COCHAIRMANSHIPS COLLATERALISING COLLATERALITIES COLLATERALIZING COMBINATORIALLY COMPARABILITIES CONFIGURATIONAL CONNATURALISING CONNATURALITIES CONNATURALIZING CONTRACTABILITY CONTRAINDICANTS CONTRAINDICATED CONTRAINDICATES CORPORATIZATION CRANIOLOGICALLY CRIMINALISATION CRIMINALIZATION CRYSTALISATIONS CRYSTALIZATIONS CRYSTALLISATION CRYSTALLIZATION DECARBONISATION DECARBONIZATION DECARBURISATION DECARBURIZATION DEFAMILIARIZING DEGLAMORISATION DEGLAMORIZATION DEGRADABILITIES DEMATERIALISING DEMATERIALIZING DEMOCRATIFIABLE DEMOCRATISATION DEMOCRATIZATION DEMORALISATIONS DEMORALIZATIONS DEPOLARISATIONS DEPOLARIZATIONS DERIVATISATIONS DERIVATIZATIONS DESACRALISATION DESACRALIZATION DETRIBALISATION DETRIBALIZATION DEVALORISATIONS DEVALORIZATIONS DIAPHRAGMATITIS DIAPHRAGMITISES DIASTROPHICALLY DICTATORIALNESS DISACCHARIDASES DISAFFIRMATIONS DISAGGREGATIONS DISAGREEABILITY DISAPPROBATIONS DISAPPROPRIATED DISAPPROPRIATES DISARTICULATING DISARTICULATION DISARTICULATORS DISCIPLINARIANS DISEMBARKATIONS DISEMBARRASSING DISINCARCERATED DISINCARCERATES DISINFLATIONARY DISNATURALISING DISNATURALIZING DISORGANISATION DISORGANIZATION DISSATISFACTORY DITHIOCARBAMATE DITHYRAMBICALLY DOCTRINARIANISM DORSIBRANCHIATE EDRIOPHTHALMIAN EGALITARIANISMS ENDOPARASITISMS EPIGRAMMATISERS EPIGRAMMATISING EPIGRAMMATIZERS EPIGRAMMATIZING EQUALITARIANISM ETERNALISATIONS ETERNALIZATIONS ETHEREALISATION ETHEREALIZATION EVANGELISTARIES EVANGELISTARION EVAPORABILITIES EXTERNALISATION EXTERNALIZATION EXTRAJUDICIALLY EXTRAORDINARIES EXTRAORDINARILY FACTORABILITIES FAMILIARISATION FAMILIARIZATION FEDERALISATIONS FEDERALIZATIONS FIBROCARTILAGES FLEXITARIANISMS FORISFAMILIATED FORISFAMILIATES FORMALISTICALLY FORMULARISATION FORMULARIZATION FRACTIONALISING FRACTIONALIZING FRACTIONISATION FRACTIONIZATION FRATERNISATIONS FRATERNIZATIONS FUTILITARIANISM GENERALISATIONS GENERALIZATIONS GRANGERISATIONS GRANGERIZATIONS GRANITIFICATION GRANULITISATION GRANULITIZATION GRAPHITISATIONS GRAPHITIZATIONS GRAVIMETRICALLY GRAVITATIONALLY GUTTURALISATION GUTTURALIZATION HAEMOGLOBINURIA HARMONISTICALLY HEPARINISATIONS HEPARINIZATIONS HEREDITARIANISM HEREDITARIANIST HIERARCHIZATION HIEROGRAMMATIST HUMANITARIANISM HUMANITARIANIST HYPERLIPIDAEMIA HYPERPARASITISM HYPERSALIVATION HYPERURICAEMIAS ICHTHYOSAURIANS ICOSITETRAHEDRA IDEOGRAPHICALLY IDIOSYNCRATICAL IMAGINARINESSES IMMATERIALISING IMMATERIALITIES IMMATERIALIZING IMMEASURABILITY IMMORTALISATION IMMORTALIZATION IMPARTIALNESSES IMPRACTICALNESS IMPROVISATIONAL IMPROVISATORIAL INAPPRECIATIONS INAPPROPRIATELY INARTICULATIONS INCOMPARABILITY INERADICABILITY INFORMATIONALLY INFORMATISATION INFORMATIZATION INFRALAPSARIANS INORGANISATIONS INORGANIZATIONS INSPIRATIONALLY INTERANIMATIONS INTERBEHAVIORAL INTERCLAVICULAR INTERFASCICULAR INTERGRADATIONS INTERJACULATING INTERLAMINATING INTERLAMINATION INTERNALISATION INTERNALIZATION INTERNATIONALLY INTERROGATIONAL INTRADERMICALLY INTRAFASCICULAR INTRANSIGEANCES INTRANSIGEANTLY INTRAPERITONEAL INTRAPOPULATION INTRAPRENEURIAL INVARIABILITIES IRRATIONALISING IRRATIONALISTIC IRRATIONALITIES IRRATIONALIZING IRREFRAGABILITY IRREPEALABILITY JOURNALISATIONS JOURNALIZATIONS KARSTIFICATIONS KERATINISATIONS KERATINIZATIONS KINEMATOGRAPHIC LABYRINTHICALLY LATERALISATIONS LATERALIZATIONS LATITUDINARIANS LEXICOGRAPHICAL LIBERALISATIONS LIBERALIZATIONS LIBERTARIANISMS LIPOGRAMMATISMS LIPOGRAMMATISTS LITERALISATIONS LITERALIZATIONS LOGARITHMICALLY MAGISTERIALNESS MAGISTRATESHIPS MAGISTRATICALLY MAJORITARIANISM MALADMINISTERED MALPRACTITIONER MANEUVERABILITY MANNERISTICALLY MANOEUVRABILITY MARCONIGRAPHING MARGARITIFEROUS MARGINALISATION MARGINALIZATION MARKETABILITIES MARRIAGEABILITY MARTENSITICALLY MATERFAMILIASES MATERIALISATION MATERIALISTICAL MATERIALIZATION MATRIARCHALISMS MATRIFOCALITIES MATRILOCALITIES MEASURABILITIES MELODRAMATISING MELODRAMATIZING MEMORIALISATION MEMORIALIZATION MERCHANTABILITY METACINNABARITE METAGRABOLISING METAGRABOLIZING MICROANALYTICAL MICROANATOMICAL MICROMICROFARAD MICRORADIOGRAPH MILITARISATIONS MILITARIZATIONS MILLENARIANISMS MINERALISATIONS MINERALIZATIONS MINERALOGICALLY MINIATURISATION MINIATURIZATION MINICALCULATORS MISAPPRECIATING MISAPPRECIATION MISAPPRECIATIVE MISAPPROPRIATED MISAPPROPRIATES MISARTICULATING MISARTICULATION MISCELLANARIANS MISCHARACTERISE MISCHARACTERIZE MISTRANSLATIONS MORPHINOMANIACS MULTIARTICULATE MULTILATERALISM MULTILATERALIST MULTIRACIALISMS NATURALISATIONS NATURALIZATIONS NECESSARIANISMS NEUTRALISATIONS NEUTRALIZATIONS NONARISTOCRATIC NONBIOGRAPHICAL NONCHARISMATICS NONHIERARCHICAL NONINFLATIONARY NONPARTICIPANTS NONPARTISANSHIP NONPARTIZANSHIP NONTOTALITARIAN NONUTILITARIANS NOTHINGARIANISM NUCLEARISATIONS NUCLEARIZATIONS NUDIBRANCHIATES OLIGOSACCHARIDE OPERATIONALISMS OPERATIONALISTS ORIENTALIZATION ORIENTATIONALLY OVERAPPLICATION OVERCAPITALISED OVERCAPITALISES OVERCAPITALIZED OVERCAPITALIZES OVERDRAMATISING OVERDRAMATIZING OVERFAMILIARITY OVERIMAGINATIVE PANTISOCRATICAL PANTISOCRATISTS PARABOLISATIONS PARABOLIZATIONS PARAHELIOTROPIC PARALINGUISTICS PARAMETRISATION PARAMETRIZATION PARANORMALITIES PARAROSANILINES PARASEXUALITIES PARASITICALNESS PARASITISATIONS PARASITIZATIONS PARASITOLOGICAL PARASITOLOGISTS PARLIAMENTARIAN PARLIAMENTARILY PARLIAMENTARISM PARTICIPATIONAL PARTICIPATORIES PARTICULARISERS PARTICULARISING PARTICULARISTIC PARTICULARITIES PARTICULARIZERS PARTICULARIZING PARTURIFACIENTS PASTEURISATIONS PASTEURIZATIONS PATERFAMILIASES PATRIALISATIONS PATRIALIZATIONS PATRIARCHALISMS PATRIFOCALITIES PERIPATETICALLY PERISTALTICALLY PERSONALISATION PERSONALIZATION PHARISAICALNESS PHARMACOKINETIC PHILANTHROPICAL PHYSIOGRAPHICAL PLANIMETRICALLY PLATITUDINARIAN PLURALISTICALLY POPULARISATIONS POPULARIZATIONS POSTIRRADIATION POSTMILLENARIAN PRAGMATISATIONS PRAGMATIZATIONS PREDESTINARIANS PREFABRICATIONS PREIMPLANTATION PREINSTALLATION PREMILLENARIANS PROCRASTINATING PROCRASTINATION PROCRASTINATIVE PROGRAMMABILITY PROLETARIANISED PROLETARIANISES PROLETARIANISMS PROLETARIANIZED PROLETARIANIZES PRONUNCIATIONAL PROPAGABILITIES PRUSSIANISATION PRUSSIANIZATION PSYCHIATRICALLY PURITANICALNESS QUADRINGENARIES QUADRIPARTITION QUADRISYLLABICS QUADRIVALENCIES QUADRUPLICATING QUADRUPLICATION QUARTERFINALIST QUINALBARBITONE QUINQUAGENARIAN QUODLIBETARIANS RADICALISATIONS RADICALIZATIONS RADICULOPATHIES RADIOACTIVATING RADIOACTIVATION RADIOACTIVITIES RADIOBIOLOGICAL RADIOCHEMICALLY RADIOLOCATIONAL RADIOMETRICALLY RADIOPHONICALLY RADIOSCOPICALLY RADIOTHERAPISTS RATIONALISATION RATIONALIZATION REACCLIMATISING REACCLIMATIZING REACCREDITATION REACTIONARYISMS REALISABILITIES REALIZABILITIES REAPPROPRIATING REARTICULATIONS REASONABILITIES REAUTHORISATION REAUTHORIZATION RECALCITRANCIES RECALCITRATIONS RECALLABILITIES RECANALISATIONS RECANALIZATIONS RECAPITULATIONS RECOMBINATIONAL RECONTAMINATING RECONTAMINATION REGIONALISATION REGIONALIZATION REGULARISATIONS REGULARIZATIONS REHABILITATIONS REHUMANIZATIONS REIMPLANTATIONS REINSTALLATIONS RELATIVISATIONS RELATIVIZATIONS REMARKABILITIES REMATERIALISING REMATERIALIZING REMORALISATIONS REMORALIZATIONS RENATIONALISING RENATIONALIZING RENORMALISATION RENORMALIZATION REORGANISATIONS REORGANIZATIONS REPAIRABILITIES REPEATABILITIES REPOLARISATIONS REPOLARIZATIONS REPRIVATISATION REPRIVATIZATION RESOCIALISATION RESOCIALIZATION RESTABILIZATION RETALIATIONISTS RETRIBALIZATION REVALORISATIONS REVALORIZATIONS REVEALABILITIES REVISUALISATION REVISUALIZATION REVITALISATIONS REVITALIZATIONS RITUALISTICALLY ROMANTICALITIES ROMANTICISATION ROMANTICIZATION SABERMETRICIANS SACCHARIMETRIES SACCHARISATIONS SACCHARIZATIONS SACERDOTALISING SACERDOTALIZING SACROSANCTITIES SATIRICALNESSES SEARCHABILITIES SECULARISATIONS SECULARIZATIONS SEISMOGRAPHICAL SEMIABSTRACTION SEMIPARASITISMS SHERARDISATIONS SHERARDIZATIONS SINGULARISATION SINGULARIZATION SOLITUDINARIANS SPIROCHAETAEMIA SPREADABILITIES STANDARDISATION STANDARDIZATION STRAITJACKETING STRAITWAISTCOAT STRATICULATIONS STRATIFICATIONS STRATIGRAPHICAL STRATIGRAPHISTS SUBLAPSARIANISM SUBORGANISATION SUBORGANIZATION SUBURBANISATION SUBURBANIZATION SUPERADDITIONAL SUPERPARASITISM TABULARISATIONS TABULARIZATIONS TECTIBRANCHIATE TETRABASICITIES THEATRICALISING THEATRICALITIES THEATRICALIZING THERMALISATIONS THERMALIZATIONS THIOBARBITURATE TOTALITARIANISE TOTALITARIANISM TOTALITARIANIZE TRADITIONALISED TRADITIONALISES TRADITIONALISMS TRADITIONALISTS TRADITIONALIZED TRADITIONALIZES TRANQUILISATION TRANQUILIZATION TRANSAMINATIONS TRANSCRIPTIONAL TRANSEXUALITIES TRANSFERABILITY TRANSFIGURATION TRANSHISTORICAL TRANSILLUMINATE TRANSLATABILITY TRANSLITERATING TRANSLITERATION TRANSMIGRATIONS TRANSMITTANCIES TRANSMUTABILITY TRANSPIRATIONAL TRANSPOSABILITY TRANSPOSITIONAL TRAUMATISATIONS TRAUMATIZATIONS TRIANGULARITIES TRICHOMONACIDAL TRISYLLABICALLY TRIVIALISATIONS TRIVIALIZATIONS TROPICALISATION TROPICALIZATION TRYPANOSOMIASIS UBIQUITARIANISM ULTRAFASTIDIOUS ULTRAFILTRATION ULTRALIBERALISM UNANSWERABILITY UNAPPRECIATIONS UNAPPROPRIATING UNAUTHORITATIVE UNDERCAPITALISE UNDERCAPITALIZE UNFAMILIARITIES UNIFORMITARIANS UNILATERALITIES UNIVERSALISABLE UNIVERSALIZABLE UNPATRIOTICALLY UNREADABILITIES UNREALISTICALLY UNSECTARIANISMS UNTRADITIONALLY UPGRADABILITIES UTILITARIANISED UTILITARIANISES UTILITARIANISMS UTILITARIANIZED UTILITARIANIZES VALETUDINARIANS VAPOURABILITIES VASCULARISATION VASCULARIZATION VERNACULARISING VERNACULARITIES VERNACULARIZING VIRTUALISATIONS VIRTUALIZATIONS WEATHERISATIONS WEATHERIZATIONS