There are 639 ten-letter words containing A, C, I, M and S, https://www.bestwordlist.com/c/a/5/10letterwordswithacims.htm ACADEMISMS ACADEMISTS ACCLAIMERS ACCLIMATES ACCOMPLISH ACETAMIDES ACHAENIUMS ACRIMONIES ACROBATISM ACTOMYOSIN ACUMINATES ADAMANCIES ADMINICLES ADMIRANCES AGRONOMICS ALCHEMISED ALCHEMISES ALCHEMISTS ALCHEMIZES ALCOHOLISM ALGORISMIC AMBISONICS AMERICIUMS AMPACITIES AMPHISCIAN AMSINCKIAS ANACHORISM ANAMNESTIC ANARCHISMS ANGLICISMS ANICONISMS ANISOMERIC ANTICIVISM ANTIMUSICS ANTIMYCINS ANTIRACISM APOSEMATIC ARCHAICISM ARCHIMAGES ARCHIPLASM ARCMINUTES ARMISTICES ARSMETRICK ASCETICISM ASCOGONIUM ASEPTICISM ASTATICISM ASTHMATICS ASTIGMATIC ASTRONOMIC ASYMMETRIC ASYMPTOTIC ATACAMITES AUTOCRIMES AUTOECISMS AUTOMATICS AUTONOMICS AXIOMATICS AXOPLASMIC BERDACHISM BIOPLASMIC BLACKMAILS BLACKSMITH CABBALISMS CABINMATES CACHAEMIAS CACIQUISMS CACOMISTLE CACOMIXLES CACONYMIES CACUMINALS CACUMINOUS CADDISWORM CAESARISMS CAFFEINISM CAIRNGORMS CALAMARIES CALAMITIES CALAMITOUS CALCIMINES CALIMOCHOS CALLIGRAMS CALMATIVES CALUMNIOUS CALVARIUMS CAMARILLAS CAMBERINGS CAMELHAIRS CAMIKNICKS CAMISADOES CAMORRISTA CAMORRISTI CAMORRISTS CAMPANILES CAMPANISTS CAMPESINOS CAMPODEIDS CAMPSHIRTS CAMSTEERIE CAPITALISM CARAMELISE CARBAMIDES CARBONIUMS CARCINOMAS CARDAMINES CAREERISMS CARMELITES CARNALISMS CARTELISMS CASSIMERES CASUALISMS CATABOLISM CATECHISMS CAUTERISMS CEMBALISTS CENTESIMAL CENTIGRAMS CENTRALISM CERAMICIST CERASTIUMS CETUXIMABS CHAMFRAINS CHAMOISING CHAMOMILES CHAMPAIGNS CHARISMATA CHAUVINISM CHEMOTAXIS CHEMTRAILS CHERIMOYAS CHIASMATIC CHILDERMAS CHIMAERISM CHIPMAKERS CHIRIMOYAS CHIYOGAMIS CHLAMYDIAS CHLORALISM CHOLAEMIAS CHORIAMBUS CHREMATIST CHROMATICS CHROMATIDS CHROMATINS CHROMATIST CHURNALISM CINEMATISE CISMONTANE CLAMANCIES CLAMMINESS CLASSICISM CLEMATISES CLIMATISED CLIMATISES CLIMATIZES CLIMATURES CLIMAXLESS CLISTOGAMY COALMINERS COASSUMING COBALAMINS COCAINISMS COLLIMATES COMATULIDS COMITADJIS COMMINATES COMMISSARS COMMISSARY COMMITTALS COMPANIONS COMPARISON COMPASSING COMPASSION COMPLAINTS COMPRISALS CONACREISM CONCLAVISM CONSIMILAR COPRAEMIAS COSEISMALS COSMETICAL COSMICALLY COSMORAMIC COSTMARIES CRAMOISIES CREAMERIES CREAMINESS CREMATIONS CRIMEWAVES CRIMINATES CROCOSMIAS CROSSCLAIM CROTALISMS CULMINATES CURIALISMS CYANAMIDES CYMBALISTS CYSTEAMINE DECIMALISE DECIMALISM DECIMALIST DECIMATORS DECLAIMERS DIACHYLUMS DIACODIUMS DIACTINISM DICHROMATS DICUMAROLS DIDRACHMAS DISCLAIMED DISCLAIMER DOCIMASIES DOCIMASTIC DOMESTICAL DOMINANCES DORMANCIES DRACONISMS DYNAMICIST DYNAMISTIC DYSTHYMIAC ECLAMPSIAS ECLAMPSIES EGOMANIACS EMANCIPIST EMICATIONS EMITTANCES EMPIRICALS EMPLASTICS ENCOMIASTS EPISEMATIC ERRATICISM EXCAMBIONS EXCAMBIUMS EXCLAIMERS FACSIMILED FACSIMILES FACTUALISM FAMILISTIC FANATICISM FEMINACIES FORMICATES GAELICISMS GALLICISMS GASCONISMS GASOMETRIC GEOMANCIES GLYCAEMIAS GRAMERCIES GRAPHEMICS GYMNASTICS HACKNEYISM HACKTIVISM HARMONICAS HEMATINICS HEMISPACES HEMOCONIAS HEMOSTATIC HIERACIUMS HISTAMINIC HOMOSOCIAL HUMANISTIC HYPOMANICS ICONOCLASM IMBALANCES IMBRICATES IMITANCIES IMMANACLES IMMANENCES IMPACTIONS IMPACTITES IMPEACHERS IMPEDANCES IMPLEACHES IMPLICATES IMPRECATES INCASEMENT INCREMATES INSOMNIACS INTIMACIES ISCHAEMIAS ISOCHASMIC ISOCHEIMAL ISOCHIMALS ISOCRYMALS ISODYNAMIC ISOGAMETIC JACKSMITHS KANAMYCINS KINEMATICS LABDACISMS LACONICISM LACTIVISMS LAMBDACISM LAMBENCIES LEMNISCATE LEUCAEMIAS LIMESCALES LUMBRICALS LUMINANCES LYMPHATICS MACADAMIAS MACADAMISE MACARISING MACARONICS MACARONIES MACCARONIS MACCHIATOS MACEDOINES MACHINATES MACHINIMAS MACHININGS MACHINISTS MACKINTOSH MACROGLIAS MACROLIDES MACROPRISM MACROPSIAS MACTATIONS MAFFICKERS MAGISTRACY MAGNIFICOS MAHLSTICKS MAINBRACES MAJESTICAL MALACHITES MANCIPATES MANDIOCCAS MANICOTTIS MANICURIST MANSCAPING MANTICORAS MANTICORES MANUSCRIPT MARASCHINO MARCASITES MARISCHALS MARLACIOUS MASCARAING MASCULINES MASCULISTS MASHGICHIM MASOCHISMS MASOCHISTS MASSACRING MASSETERIC MASTICABLE MASTICATED MASTICATES MASTICATOR MASTODONIC MATACHINAS MATCHSTICK MATRIARCHS MATRICIDES MATRICULAS MAULSTICKS MECHANISED MECHANISER MECHANISES MECHANISMS MECHANISTS MECHANIZES MEDIASCAPE MEDICALISE MEDICASTER MEDICINALS MEGACITIES MEGACURIES MEGASCOPIC MEGASPORIC MELANISTIC MELIACEOUS MELISMATIC MELOXICAMS MENDACIOUS MENDICANTS MENOPAUSIC MEPACRINES MERCURIALS MESCALINES MESCALISMS MESMERICAL MESOCRATIC METAETHICS METAPHYSIC METASTATIC METRICATES METRICIANS MEZCALINES MICROBEADS MICROBEAMS MICROCARDS MICROGLIAS MICROGRAMS MICROLOANS MICROPSIAS MICROSCALE MICROSOMAL MICROSTATE MICROWATTS MICROWAVES MICTURATES MIDWATCHES MILITANCES MILLOCRATS MILLSCALES MINACITIES MINCEMEATS MINDSCAPES MINITRACKS MINUSCULAR MIRACULOUS MISADVICES MISBALANCE MISCALLERS MISCALLING MISCANTHUS MISCAPTION MISCARRIED MISCARRIES MISCASTING MISCATALOG MISCELLANY MISCHANCED MISCHANCES MISCHANNEL MISCHANTER MISCHARGED MISCHARGES MISCHMETAL MISCLAIMED MISCLASSED MISCLASSES MISCREANCE MISCREANCY MISCREANTS MISCREATED MISCREATES MISCREATOR MISEDUCATE MISLOCATED MISLOCATES MISMATCHED MISMATCHES MISOCAPNIC MISPACKAGE MISPATCHED MISPATCHES MISPLACING MISSPACING MISTEACHES MISTRACING MOBCASTING MOCCASINED MODALISTIC MONACHISMS MONACHISTS MONACTINES MONADISTIC MONARCHIES MONARCHISE MONARCHISM MONARCHIST MONASTICAL MONISTICAL MONOCHASIA MONOPHASIC MORALISTIC MORDACIOUS MORDANCIES MORTICIANS MOSAICALLY MOSAICISMS MOSAICISTS MOSAICKING MOSAICLIKE MOUSTACHIO MULTICASTS MULTIPACKS MUNICIPALS MUSCADINES MUSCARDINE MUSCARINES MUSCARINIC MUSCATORIA MUSICALISE MUSICALITY MUSICALIZE MUSICIANER MUSICIANLY MUSTACHIOS MYASTHENIC MYCORHIZAS MYDRIATICS MYOBLASTIC MYOMANCIES MYSTAGOGIC MYSTICALLY NARCISSISM NARCOTISMS NAUMACHIAS NAUMACHIES NICKNAMERS NOMARCHIES NONIMPACTS NONMUSICAL NONRACISMS NORMALCIES NOSOCOMIAL NUMERACIES NUMISMATIC OMITTANCES OMPHACITES ONOMASTICS OPSOMANIAC ORGANICISM ORGANISMIC OSTRACISMS OVERCLAIMS PACIFICISM PANCOSMISM PANSPERMIC PARAMEDICS PAROECISMS PAROEMIACS PAROXYSMIC PEACETIMES PHALLICISM PHANTASMIC PHARMACIES PHARMACIST PICTOGRAMS PIECEMEALS PIRACETAMS PNEUMATICS POLYMASTIC PORISMATIC POSTATOMIC POSTIMPACT PRACTICUMS PRAGMATICS PROSAICISM QUICKBEAMS QUITCLAIMS RACEMISING RACIALISMS RADICALISM RAMPACIOUS RAMPANCIES RASCALISMS REACCLAIMS RECLAIMERS REICHSMARK REVANCHISM RHEUMATICS RHOTACISMS RIFAMYCINS ROMANCINGS SACHEMSHIP SACRARIUMS SALICETUMS SALICYLISM SALIMETRIC SANCTIMONY SCAMBLINGS SCAMMONIES SCAMPERING SCAMPISHLY SCHEMATICS SCHEMATISE SCHEMATISM SCHEMATIST SCHEMATIZE SCHISMATIC SCHLIMAZEL SCHMALZIER SCHMEARING SCHOOLMAID SCINTIGRAM SCIOMANCER SCIOMANTIC SCRAMBLING SCREAMINGS SCRIMMAGED SCRIMMAGER SCRIMMAGES SCRIMSHANK SCRIMSHAWS SECULARISM SEMANTICAL SEMAPHORIC SEMISACRED SEPTICEMIA SERMONICAL SERVICEMAN SHADCHANIM SICKLEMIAS SIMONIACAL SIMPLICIAL SIMULACRES SIMULACRUM SIMULCASTS SINARCHISM SLACTIVISM SMIERCASES SMITHCRAFT SOCIALISMS SOCIOGRAMS SPACETIMES SPECIALISM SPERMACETI SPERMATICS SPIRACULUM STIGMATICS STIMULANCY STOMACHICS STOMACHIER STOMACHING STOMATITIC STRABISMIC SUBATOMICS SYMBOLICAL SYMPLASTIC SYMPOSIACS SYSTEMATIC TALISMANIC TASIMETRIC TELEMATICS TELESMATIC TETRASEMIC TIMESCALES ULTIMACIES UMBILICALS VACCINIUMS VOICEMAILS VOLCANISMS VULCANISMS ZOOMANCIES ZYGOMATICS