There are 436 fifteen-letter words containing 2A, C, N and R, https://www.bestwordlist.com/c/a/5/15letterwordswithaacnr.htm
ABSORBEFACIENTS ABSTRACTIONISMS ABSTRACTIONISTS ACCESSARINESSES
ACCULTURATIONAL ACHONDROPLASIAS ACHONDROPLASTIC ACHROMATISATION
ACHROMATIZATION ACTINOTHERAPIES ADENOCARCINOMAS ADIATHERMANCIES
ADRENALECTOMIES AERODYNAMICALLY AERODYNAMICISTS AEROELASTICIANS
AFFRANCHISEMENT AGRANULOCYTOSES AGRANULOCYTOSIS ALLEGORICALNESS
ANACREONTICALLY ANAMORPHOSCOPES ANARCHISTICALLY ANFRACTUOSITIES
ANIMATRONICALLY ANISOTROPICALLY ANTAPHRODISIACS ANTHROPOLOGICAL
ANTIAPHRODISIAC ANTIARRHYTHMICS ANTICARCINOGENS ANTICHRISTIANLY
ANTICLERICALISM ANTILOGARITHMIC ANTIMONARCHICAL ANTIMONARCHISTS
ANTINUCLEARISTS ANTIPERISTALTIC ANTIRADICALISMS ANTIREPUBLICANS
ANTIROMANTICISM ANTITHEORETICAL ANTITUBERCULARS APPENDICULARIAN
ARACHNOIDITISES ARCHAEOBOTANIES ARCHAEOBOTANIST ARCHEOASTRONOMY
ARCHEOBOTANISTS ARCHEOMAGNETISM ARCHGENETHLIACS ARCHIDIACONATES
ARTIFICIALISING ARTIFICIALIZING ASTRODYNAMICIST ASTRONAUTICALLY
AUDIOMETRICIANS AUTOCORRELATION BACKSCATTERINGS BACKSCRATCHINGS
BAREFACEDNESSES BENZANTHRACENES BIOASTRONAUTICS BRACHYDIAGONALS
BRACHYPINAKOIDS BUREAUCRATISING BUREAUCRATIZING CALENDARISATION
CALENDARIZATION CALORIFICATIONS CANISTERISATION CANISTERIZATION
CARAMELISATIONS CARAMELIZATIONS CARCINOSARCOMAS CARDIOPULMONARY
CASTANOSPERMINE CASTRAMETATIONS CATEGORICALNESS CATEGORISATIONS
CATEGORIZATIONS CATHETERISATION CATHETERIZATION CENTENARIANISMS
CENTRALISATIONS CENTRALIZATIONS CHAMBERLAINSHIP CHEMOATTRACTANT
CHOLANGIOGRAPHY CHORIOALLANTOIC CHORIOALLANTOIS CHORIOCARCINOMA
CHRONOGRAMMATIC CINEANGIOGRAPHY CINEMATOGRAPHED CINEMATOGRAPHER
CINEMATOGRAPHIC CIRCULARISATION CIRCULARIZATION CIRCUMNAVIGABLE
CIRCUMNAVIGATED CIRCUMNAVIGATES CIRCUMNAVIGATOR CIRCUMSTANTIALS
CIRCUMSTANTIATE CIRCUMVALLATING CIRCUMVALLATION CLEARHEADEDNESS
COCHAIRMANSHIPS COLLATERALISING COLLATERALIZING COMBINATORIALLY
COMMEMORATIONAL COMPARATIVENESS COMPARTMENTALLY CONFIGURATIONAL
CONFRONTATIONAL CONGRATULATIONS CONNATURALISING CONNATURALITIES
CONNATURALIZING CONTAINERBOARDS CONTEMPORANEANS CONTRACTABILITY
CONTRAINDICANTS CONTRAINDICATED CONTRAINDICATES CONTRAPUNTALIST
CONTRAVALLATION CORPORATIZATION CORPUSCULARIANS CORYNEBACTERIAL
COUNTERADAPTIVE COUNTERASSAULTS COUNTERATTACKED COUNTERATTACKER
COUNTERBALANCED COUNTERBALANCES COUNTERCAMPAIGN COUNTERCLAIMANT
COUNTERFACTUALS COUNTERMANDABLE COUNTERVAILABLE CRANIOLOGICALLY
CRIMINALISATION CRIMINALIZATION CRYPTANALYTICAL CRYSTALISATIONS
CRYSTALIZATIONS CRYSTALLISATION CRYSTALLIZATION DECARBONISATION
DECARBONIZATION DECARBOXYLATING DECARBOXYLATION DECARBURISATION
DECARBURIZATION DECONTAMINATORS DEMOCRATISATION DEMOCRATIZATION
DESACRALISATION DESACRALIZATION DICTATORIALNESS DISARTICULATING
DISARTICULATION DISCIPLINARIANS DISINCARCERATED DISINCARCERATES
DOCTRINARIANISM DORSIBRANCHIATE ELECTROANALYSES ELECTROANALYSIS
ELECTROANALYTIC ENCEPHALOGRAPHS ENCEPHALOGRAPHY ENTEROBACTERIAL
EXCLAUSTRATIONS FLAVOURDYNAMICS FRACTIONALISING FRACTIONALIZING
FRACTIONISATION FRACTIONIZATION GALVANOMETRICAL GASTRONOMICALLY
GRAMMATICALNESS GRAMOPHONICALLY GRANITIFICATION GRAPHICALNESSES
HARMONISTICALLY HEXACHLORETHANE HEXACHLOROPHANE HIERARCHIZATION
HYDROMECHANICAL HYPOCHONDRIACAL ICHTHYOSAURIANS IDIOSYNCRATICAL
IMPRACTICALNESS INAPPRECIATIONS INARTICULATIONS INCOMPARABILITY
INERADICABILITY INFRASTRUCTURAL INTERAMBULACRAL INTERAMBULACRUM
INTERCHANGEABLE INTERCHANGEABLY INTERCLAVICULAR INTERFASCICULAR
INTERJACULATING INTERJACULATORY INTERTENTACULAR INTRACELLULARLY
INTRACEREBRALLY INTRACTABLENESS INTRADERMICALLY INTRAFASCICULAR
INTRAMUSCULARLY INTRANSIGEANCES INTRAVASCULARLY IRRATIONALISTIC
KARSTIFICATIONS KINEMATOGRAPHIC LABYRINTHICALLY LACTOVEGETARIAN
LOPHOBRANCHIATE MACRENCEPHALIAS MACRENCEPHALIES MACROMARKETINGS
MACROPRUDENTIAL MACROSPORANGIUM MALACOPTERYGIAN MALCONFORMATION
MALPRACTITIONER MANNERISTICALLY MARCONIGRAPHING MARTENSITICALLY
MEGACORPORATION MERCHANTABILITY METACINNABARITE MICROANALYTICAL
MICROANATOMICAL MICROMANAGEMENT MINERALOGICALLY MINICALCULATORS
MISAPPRECIATING MISAPPRECIATION MISARTICULATING MISARTICULATION
MISCELLANARIANS MONOGRAPHICALLY MONOSACCHARIDES MORPHINOMANIACS
NANOCRYSTALLINE NEBUCHADNEZZARS NECESSARIANISMS NECROMANTICALLY
NEUROANATOMICAL NEUROPATHICALLY NOMOGRAPHICALLY NONAGRICULTURAL
NONARISTOCRATIC NONASTRONOMICAL NONBIOGRAPHICAL NONCARBOHYDRATE
NONCHARISMATICS NONDRAMATICALLY NONHIERARCHICAL NONMATRICULATED
NONMETAPHORICAL NONPARTICIPANTS NONSPECTACULARS NORMOGLYCAEMIAS
NUCLEARISATIONS NUCLEARIZATIONS NUDIBRANCHIATES OCEANOGRAPHICAL
ORCHESTRATIONAL ORGANOGRAPHICAL ORGANOMERCURIAL ORGANOMETALLICS
OVERABSTRACTION OVERACCENTUATED OVERACCENTUATES OVERAPPLICATION
PALAEOANTHROPIC PANTISOCRATICAL PANTISOCRATISTS PANTOPRAGMATICS
PARADOXICALNESS PARAGENETICALLY PARALINGUISTICS PARASITICALNESS
PARENTHETICALLY PARTHENOCARPIES PARTHENOCARPOUS PARTICIPATIONAL
PARTICULARISING PARTICULARIZING PARTURIFACIENTS PERGAMENTACEOUS
PHARISAICALNESS PHARMACODYNAMIC PHARMACOGENOMIC PHARMACOGNOSIES
PHARMACOGNOSIST PHARMACOGNOSTIC PHARMACOKINETIC PHARMACOPOEIANS
PHARYNGOLOGICAL PHILANTHROPICAL PHONAUTOGRAPHIC PHONOCARDIOGRAM
PHONOGRAMICALLY PLANIMETRICALLY PLANOMETRICALLY PRACTICABLENESS
PRACTICALNESSES PRAGMATICALNESS PREACQUAINTANCE PREANAESTHETICS
PRECANCELLATION PREFABRICATIONS PREMANUFACTURED PREMANUFACTURES
PRESYNAPTICALLY PROCRASTINATING PROCRASTINATION PROCRASTINATIVE
PROCRASTINATORS PROCRASTINATORY PRONUNCIATIONAL PROSAICALNESSES
PSYCHOANALYSERS PSYCHOANALYZERS PULMOBRANCHIATE PURITANICALNESS
QUADRIVALENCIES QUADRUPLICATING QUADRUPLICATION QUARTERBACKINGS
QUATERCENTENARY RADICALISATIONS RADICALIZATIONS RADIOACTIVATING
RADIOACTIVATION RADIOLOCATIONAL RADIOPHONICALLY RAPACIOUSNESSES
REACCELERATIONS REACCLIMATISING REACCLIMATIZING REACCREDITATION
REACQUAINTANCES REACTIONARYISMS REARTICULATIONS RECALCITRANCIES
RECALCITRATIONS RECANALISATIONS RECANALIZATIONS RECAPITULATIONS
RECOMBINATIONAL RECONNAISSANCES RECONTAMINATING RECONTAMINATION
REMANUFACTURERS REMANUFACTURING RESOCIALISATION RESOCIALIZATION
RHINOSCLEROMATA ROMANTICALITIES ROMANTICISATION ROMANTICIZATION
ROSTROCARINATES SABERMETRICIANS SACCHARISATIONS SACCHARIZATIONS
SACERDOTALISING SACERDOTALIZING SACRAMENTALISMS SACRAMENTALISTS
SACRAMENTALNESS SACRAMENTARIANS SACROSANCTITIES SARCENCHYMATOUS
SARRACENIACEOUS SATIRICALNESSES SECULARISATIONS SECULARIZATIONS
SELENOGRAPHICAL SEMIABSTRACTION SEMIMANUFACTURE SERVOMECHANICAL
SESQUICARBONATE STRAITJACKETING STRAITLACEDNESS STRATICULATIONS
STRATIFICATIONS STRATOVOLCANOES SUBCONTRAOCTAVE SUPERABUNDANCES
TECTIBRANCHIATE TERATOCARCINOMA TETRABRANCHIATE THEATRICALISING
THEATRICALIZING THERMODYNAMICAL TRACEABLENESSES TRACTABLENESSES
TRANSACTIONALLY TRANSCENDENTALS TRANSCRIPTIONAL TRANSHISTORICAL
TRANSMITTANCIES TRICHOMONACIDAL TROPICALISATION TROPICALIZATION
UNAPPRECIATIONS UNASCERTAINABLE UNCATEGORISABLE UNCATEGORIZABLE
UNCONSTRAINABLE UNDERCAPITALISE UNDERCAPITALIZE UNGRAMMATICALLY
UNPATRIOTICALLY UNPRACTICALNESS UNREALISTICALLY UNSECTARIANISMS
UNSPECTACULARLY UNTRACTABLENESS VASCULARISATION VASCULARIZATION
VERNACULARISING VERNACULARITIES VERNACULARIZING ZYGOBRANCHIATES