There are 468 fifteen-letter words containing A, C, I, M and R, https://www.bestwordlist.com/c/a/5/15letterwordswithacimr.htm ABSTRACTIONISMS ACHROMATICITIES ACHROMATISATION ACHROMATIZATION ACIDIMETRICALLY ACRIMONIOUSNESS ACTINOCHEMISTRY ADENOCARCINOMAS ADIATHERMANCIES ADRENALECTOMIES AERODYNAMICALLY AERODYNAMICISTS AFFRANCHISEMENT ALCOHOLOMETRIES ALGORITHMICALLY ALLOTRIOMORPHIC AMARYLLIDACEOUS AMPHITHEATRICAL ANDROMONOECIOUS ANDROMONOECISMS ANIMATRONICALLY ANTHROPOMORPHIC ANTIARRHYTHMICS ANTICLERICALISM ANTILOGARITHMIC ANTIMONARCHICAL ANTIMONARCHISTS ANTIRADICALISMS ANTIROMANTICISM ANTITHROMBOTICS APPRENTICEMENTS ARCHAEBACTERIUM ARCHAEOMETRISTS ARCHEOMAGNETISM ASTRODYNAMICIST ATMOSPHERICALLY AUDIOMETRICALLY AUDIOMETRICIANS AUTOMORPHICALLY BATHOMETRICALLY BATHYMETRICALLY BIORHYTHMICALLY BISYMMETRICALLY BRACHYCEPHALISM BRACHYDACTYLISM CARAMELISATIONS CARAMELIZATIONS CARCINOSARCOMAS CARDIOPULMONARY CASTANOSPERMINE CASTRAMETATIONS CENTENARIANISMS CENTRIPETALISMS CHAMBERLAINSHIP CHEMAUTOTROPHIC CHEMOPSYCHIATRY CHEMOTHERAPISTS CHEMOTROPICALLY CHLORAMPHENICOL CHLORPROMAZINES CHLORPROPAMIDES CHOLESTEROLEMIA CHOLESTYRAMINES CHONDROCRANIUMS CHORIOCARCINOMA CHRESTOMATHICAL CHROMATICNESSES CHROMATOGRAPHIC CHROMATOLOGISTS CHROMOTHERAPIES CHRONOGRAMMATIC CINEMATOGRAPHED CINEMATOGRAPHER CINEMATOGRAPHIC CINEMICROGRAPHY CIRCUMAMBAGIOUS CIRCUMAMBIENCES CIRCUMAMBIENTLY CIRCUMAMBULATED CIRCUMAMBULATES CIRCUMAMBULATOR CIRCUMFERENTIAL CIRCUMFORANEOUS CIRCUMGYRATIONS CIRCUMJACENCIES CIRCUMNAVIGABLE CIRCUMNAVIGATED CIRCUMNAVIGATES CIRCUMNAVIGATOR CIRCUMNUTATIONS CIRCUMSCRIBABLE CIRCUMSTANTIALS CIRCUMSTANTIATE CIRCUMVALLATING CIRCUMVALLATION CLIMACTERICALLY CLIMATOGRAPHIES COADMINISTERING COCHAIRMANSHIPS CODETERMINATION COMBINATORIALLY COMMEMORATIONAL COMMEMORATIVELY COMMENSURATIONS COMMERCIALISING COMMERCIALISTIC COMMERCIALITIES COMMERCIALIZING COMMISERATINGLY COMMISERATIVELY COMMISSARYSHIPS COMMISSIONAIRES COMPARABILITIES COMPARATIVENESS COMPLEMENTARIES COMPLEMENTARILY COMPLEMENTARITY COMPLIMENTARILY COMPUTERISATION COMPUTERIZATION COMPUTERPHOBIAS COMRADELINESSES CONGLOMERATIONS CONSERVATORIUMS CONSIMILARITIES CONTEMPERATIONS CONTEMPORANEITY CONVERSATIONISM CORYNEBACTERIUM COULOMETRICALLY COUNTERCAMPAIGN COUNTERCHARMING COUNTERCLAIMANT COUNTERCLAIMING COUNTERMARCHING CRIMINALISATION CRIMINALIZATION CRUCIVERBALISMS CUSTOMARINESSES CYTOMEGALOVIRUS DECONTAMINATORS DECRIMINALISING DECRIMINALIZING DEMOCRATIFIABLE DEMOCRATISATION DEMOCRATIZATION DEMOGRAPHICALLY DERMATOGLYPHICS DICHLOROMETHANE DICHROMATICISMS DIFFRACTOMETERS DIFFRACTOMETRIC DISCIPLINARIUMS DISCOMBOBERATED DISCOMBOBERATES DISCONFIRMATION DISCOURAGEMENTS DISCRIMINATIONS DISENCUMBRANCES DISENTRANCEMENT DITHIOCARBAMATE DITHYRAMBICALLY DOCTRINARIANISM DOCUMENTARISING DOCUMENTARIZING DRAMATURGICALLY ECHINODERMATOUS ECHOCARDIOGRAMS ECLAIRCISSEMENT ECONOMETRICALLY ECONOMETRICIANS ECTOMYCORRHIZAE ECTOMYCORRHIZAS ELECTROCHEMICAL ELECTRODYNAMICS ELECTROMAGNETIC ELECTROMETRICAL EMBRACINGNESSES EMBRYOLOGICALLY EMPIRICALNESSES ENDOTHERMICALLY ENFRANCHISEMENT ENTEROBACTERIUM EUDIOMETRICALLY EXCOMMUNICATORS EXCOMMUNICATORY FIDEICOMMISSARY FLAVOURDYNAMICS FORMALISTICALLY GALVANOMETRICAL GASTRONOMICALLY GEODEMOGRAPHICS GONIOMETRICALLY GRAMMATICALNESS GRAMMATICASTERS GRAMOPHONICALLY GRAVIMETRICALLY GYNANDROMORPHIC HAEMOGLOBINURIC HARMONISTICALLY HELIOMETRICALLY HEMICRYSTALLINE HEMOCHROMATOSIS HERMENEUTICALLY HETEROCHROMATIC HETEROCHROMATIN HOMOCENTRICALLY HOMOCHROMATISMS HYDRODYNAMICIST HYDROMECHANICAL HYDROMETRICALLY HYGROMETRICALLY HYPERCALCAEMIAS HYPERCATABOLISM HYPERGLYCAEMIAS HYPERMETROPICAL HYPERURICAEMIAS HYPOCHONDRIASMS HYPSOMETRICALLY IDIOMORPHICALLY IMMUNOREACTIONS IMPRACTICALNESS IMPROVISATRICES IMPROVVISATRICE INCOMMENSURABLE INCOMMENSURABLY INCOMPARABILITY INCREMENTALISMS INCREMENTALISTS INDETERMINACIES INHARMONICITIES INTERACTIONISMS INTERAMBULACRAL INTERAMBULACRUM INTERCHANGEMENT INTERCOMPARISON INTRADERMICALLY INTRAMUSCULARLY ISOPERIMETRICAL KINEMATOGRAPHIC LARYNGECTOMISED LARYNGECTOMIZED LITHOCHROMATICS LOGARITHMICALLY MACRENCEPHALIAS MACRENCEPHALIES MACROCOSMICALLY MACROEVOLUTIONS MACROMARKETINGS MACROPRUDENTIAL MACROSCOPICALLY MACROSPORANGIUM MAGISTRATICALLY MAGNETOELECTRIC MALACOPTERYGIAN MALCONFORMATION MALPRACTITIONER MANNERISTICALLY MARCONIGRAPHING MARTENSITICALLY MATERIALISTICAL MATRIARCHALISMS MATRIFOCALITIES MATRILOCALITIES MECHANOMORPHISM MEGACORPORATION MENISPERMACEOUS MERCAPTOPURINES MERCENARINESSES MERCHANTABILITY MERCURIALNESSES MEROBLASTICALLY METACHROMATISMS METACINNABARITE METALLURGICALLY METAMORPHICALLY METATHEORETICAL METOCLOPRAMIDES MICROAEROPHILES MICROAEROPHILIC MICROAGGRESSION MICROAGGRESSIVE MICROAGGRESSORS MICROANALYTICAL MICROANATOMICAL MICROBAROGRAPHS MICROBIOLOGICAL MICROCOSMICALLY MICROEARTHQUAKE MICROGAMETOCYTE MICROGENERATION MICROMANAGEMENT MICROMARKETINGS MICROMICROFARAD MICROPEGMATITES MICROPEGMATITIC MICROPHOTOGRAPH MICROPHYSICALLY MICROPULSATIONS MICRORADIOGRAPH MICROSATELLITES MICROSCOPICALLY MICROSPORANGIUM MICROSTRUCTURAL MICROTONALITIES MINERALOGICALLY MINICALCULATORS MISAPPRECIATING MISAPPRECIATION MISAPPRECIATIVE MISARTICULATING MISARTICULATION MISCELLANARIANS MISCHARACTERISE MISCHARACTERIZE MISCORRELATIONS MISGOVERNAUNCES MISTRANSCRIBING MODERNISTICALLY MONOCHROMATISMS MONOCRYSTALLINE MONOGRAPHICALLY MONOSACCHARIDES MONOSYMMETRICAL MORPHINOMANIACS MORPHOLOGICALLY MULTIARTICULATE MULTICHARACTERS MULTICULTURALLY MULTIRACIALISMS MUSICOTHERAPIES MYOCARDIOGRAPHS NARCOTERRORISMS NECESSARIANISMS NECROMANTICALLY NEOCONSERVATISM NEUROANATOMICAL NOMOGRAPHICALLY NONASTRONOMICAL NONCHARISMATICS NONDRAMATICALLY NONMATRICULATED NONMETAPHORICAL NONRECOMBINANTS NORMOGLYCAEMIAS OMNIDIRECTIONAL ORGANOMERCURIAL ORGANOMETALLICS ORTHOCHROMATISM OVERACHIEVEMENT OVERCOMMUNICATE OVERCOMPLIANCES OVERCOMPLICATED OVERCOMPLICATES OVERMEDICATIONS PANTOPRAGMATICS PARASYMPATHETIC PATRIARCHALISMS PERIPATETICISMS PETROCHEMICALLY PHALLOCENTRISMS PHARMACEUTICALS PHARMACODYNAMIC PHARMACOGENOMIC PHARMACOGNOSIES PHARMACOGNOSIST PHARMACOGNOSTIC PHARMACOKINETIC PHARMACOLOGICAL PHARMACOLOGISTS PHARMACOPOEIANS PHARMACOPOEISTS PHARMACOPOLISTS PHONOCARDIOGRAM PHONOGRAMICALLY PHOTOGRAMMETRIC PHOTOMETRICALLY PHOTOMICROGRAPH PIEZOMETRICALLY PLANIMETRICALLY PLANOMETRICALLY POCOCURANTEISMS POLYACRYLAMIDES POLYCHROMATISMS POLYMORPHICALLY POSTHEMORRHAGIC PRAGMATICALNESS PREMODIFICATION PROBLEMATICALLY PROCELEUSMATICS PRONUNCIAMENTOS PROSTATECTOMIES PSYCHOMETRICIAN PSYCHROMETRICAL PULMOBRANCHIATE QUATTROCENTISMS RADIOCHEMICALLY RADIOMETRICALLY RADIOMICROMETER RADIOTELEMETRIC REACCLIMATISING REACCLIMATIZING REACTIONARYISMS RECOMBINATIONAL RECOMMENDATIONS RECONFIRMATIONS RECONTAMINATING RECONTAMINATION REFRACTOMETRIES REMANUFACTURING REVICTIMIZATION RHEUMATOLOGICAL RHINOSCLEROMATA ROMANTICALITIES ROMANTICISATION ROMANTICIZATION SABERMETRICALLY SABERMETRICIANS SACCHARIMETRIES SACCHAROMETRIES SACRAMENTALISMS SACRAMENTALISTS SACRAMENTARIANS SCAREMONGERINGS SCHOOLMASTERING SCHOOLMASTERISH SCRIMSHANDERING SEISMOGRAPHICAL SEMIABSTRACTION SEMICRYSTALLINE SEMICYLINDRICAL SEMIDOCUMENTARY SEMILOGARITHMIC SEMIMANUFACTURE SEMITRANSLUCENT SERVOMECHANICAL SERVOMECHANISMS SHOCKUMENTARIES SPERMATOBLASTIC SPERMATOGENETIC SPIROCHAETAEMIA SUBMETACENTRICS SUPERORGANICISM SYMMETRICALNESS TACHOMETRICALLY TACHYARRHYTHMIA TACHYMETRICALLY TERATOCARCINOMA THEOREMATICALLY THERMODYNAMICAL TRANSMITTANCIES TRAUMATOLOGICAL TRICHOMONACIDAL TRICHOMONACIDES TRIGONOMETRICAL ULTRACOMMERCIAL ULTRADEMOCRATIC ULTRAMICROMETER ULTRAMICROSCOPE ULTRAMICROSCOPY ULTRAMICROTOMES UNCOMPLIMENTARY UNCOMPROMISABLE UNGRAMMATICALLY UNSECTARIANISMS UNSYMMETRICALLY VISCOSIMETRICAL XENOMORPHICALLY