There are 830 eleven-letter words containing A, M, S and U, https://www.bestwordlist.com/c/a/4/11letterwordswithamsu.htm ABLUTOMANES ABSOLUTISMS ACCRUEMENTS ACCUMULATES ACCUSEMENTS ACCUSTOMARY ACCUSTOMING ACESULFAMES ACETABULUMS ACHROMATOUS ACQUITMENTS ACRIMONIOUS ACRODROMOUS ADENOMATOUS ADJUDGMENTS ADJUSTMENTS ADMEASURING ADMIRAUNCES ADVENTURISM AGRITOURISM AGROTOURISM ALBUMBLATTS ALBUMENISED ALBUMENISES ALBUMENIZES ALBUMINATES ALBUMINISED ALBUMINISES ALBUMINIZES ALBUMINOIDS ALISMACEOUS ALLUREMENTS ALMUCANTARS ALTAZIMUTHS ALTOCUMULUS ALUMINISING ALUMINOSITY AMATEURISMS AMATEURSHIP AMBIGUITIES AMBIGUOUSLY AMBISEXUALS AMBITIOUSLY AMBULATIONS AMBUSCADERS AMBUSCADING AMBUSCADOES AMBUSHMENTS AMENTACEOUS AMETABOLOUS AMIANTHUSES AMMONIACUMS AMMOPHILOUS AMMUNITIONS AMOROUSNESS AMORPHOUSLY AMPHIBOLOUS AMPHIGOURIS AMPHIOXUSES AMPHIPODOUS AMPULLOSITY AMPUTATIONS AMUSINGNESS AMUSIVENESS ANACARDIUMS ANAMORPHOUS ANGIOMATOUS ANIMALCULES ANISOGAMOUS ANISOMEROUS ANOMALOUSLY ANONYMOUSLY ANTHERSMUTS ANTIMASQUES ANTIMONIOUS ANTIMUSICAL APOGAMOUSLY AQUAMANALES AQUAMANILES AQUAMARINES ARGUMENTUMS ASPERGILLUM ASPERSORIUM ASSUAGEMENT ASSUMPTIONS ASTOUNDMENT ATHERMANOUS ATRACURIUMS ATRAMENTOUS ATTUNEMENTS AUDIOMETERS AUDITORIUMS AUSFORMINGS AUTOEROTISM AUTOJUMBLES AUTOMATIONS AUTOMATISED AUTOMATISES AUTOMATISMS AUTOMATISTS AUTOMATIZES AUTOMOBILES AUTONOMISTS AUTOSAMPLER AUTOSOMALLY AUTOTHEISMS AUTOTOMISED AUTOTOMISES AUTOTOMIZES AUXOCHROMES AVOUCHMENTS BAROTRAUMAS BARRAMUNDAS BARRAMUNDIS BELLAMOURES BIJURALISMS BISEXUALISM BITUMINATES BLASPHEMOUS BREADCRUMBS BRUGMANSIAS BULLMASTIFF BUMBAILIFFS BUMPSADAISY BURGOMASTER BURRAMUNDIS BUSHELWOMAN BUSHHAMMERS BUSHMANSHIP BUSHMASTERS BUSINESSMAN CAFETORIUMS CALLITHUMPS CALMODULINS CALUMNIATES CAMOUFLAGES CAMOUFLEURS CAMPGROUNDS CASSIOPEIUM CASSUMUNARS CATADROMOUS CATECHUMENS CAUDILLISMO CHAMPERTOUS CHAULMUGRAS CHAUVINISMS CHLAMYDEOUS CHURNALISMS CINERARIUMS CIRCUMSOLAR CLAMOROUSLY CLUBMANSHIP CLUBMASTERS COATIMUNDIS COCKALORUMS COLUMBARIES COMITATUSES COMMEASURED COMMEASURES COMMISSURAL COMMUNALISE COMMUNALISM COMMUNALIST COMMUTATORS COMPACTURES COMPUTATORS CONALBUMINS CONSUMABLES CONSUMMATED CONSUMMATES CONSUMMATOR CONTUMACIES CUMULATIONS CUSTOMARIES CUSTOMARILY CUSTUMARIES CYMOPHANOUS DAMASQUINED DAMPCOURSES DAUNOMYCINS DEHUMANISED DEHUMANISES DEHUMANIZES DEMAGOGUISM DEMEASNURES DEMODULATES DEMUTUALISE DESIDERATUM DESPUMATING DESPUMATION DESQUAMATED DESQUAMATES DEUTOPLASMS DEUTSCHMARK DIASCORDIUM DIATHERMOUS DICHOGAMOUS DICOUMARINS DICOUMAROLS DILUVIALISM DISACCUSTOM DISMAYFULLY DISMUTATION DISSIMULATE DISULFIRAMS DORSOLUMBAR DRAMATURGES DRAUGHTSMAN DRAUGHTSMEN DRUMBEATERS DUMBWAITERS DUMMELHEADS DUODECIMALS DUUMVIRATES ELASMOSAURS EMASCULATED EMASCULATES EMASCULATOR EMBRYULCIAS EMPLASTRUMS ENTHUSIASMS ENUMERATORS EPAULEMENTS EPICARDIUMS EPICRANIUMS EPIGASTRIUM EREMACAUSES EREMACAUSIS ESCARMOUCHE ETHAMBUTOLS EUDAEMONIAS EUDAEMONICS EUDAEMONIES EUDAEMONISM EUDAEMONIST EUDAIMONISM EUDAIMONIST EUPATORIUMS EUROMARKETS EXHUMATIONS FACTUALISMS FAVOURITISM FIBROMATOUS FILAMENTOUS FLAVOURSOME FORMULARIES FORMULARISE FORMULATORS FULMINATORS FUMATORIUMS FUMIGATIONS FUNAMBULISM FUNAMBULIST GADOLINIUMS GARMENTURES GAUDEAMUSES GAUSSMETERS GEMMIPAROUS GLAMOROUSLY GLAMOURISED GLAMOURISES GLAMOURIZES GLAMOURLESS GLAMOURPUSS GLUCOSAMINE GLUTAMINASE GNAPHALIUMS GOURMANDISE GOURMANDISM GRADUALISMS GUACHAMOLES GUERILLAISM GUESSTIMATE GUESTIMATED GUESTIMATES GUILDSWOMAN GUNMANSHIPS GUTTURALISM HAEMAGOGUES HAEMATURIAS HAEMOPHILUS HAMESUCKENS HARMFULNESS HEPTAMEROUS HERCOGAMOUS HIPPEASTRUM HIPPOCAMPUS HIPPODAMOUS HOMOIOUSIAN HOMOOUSIANS HOMOSEXUALS HONORARIUMS HOUSEMASTER HUMANNESSES HUMBLEBRAGS HUMIDISTATS HUMILIATORS HUMORALISMS HUMORALISTS HYDROMEDUSA HYPERGAMOUS IGNORAMUSES ILLUMINANTS ILLUMINATES IMMUNOASSAY IMPALUDISMS IMPLAUSIBLE IMPLAUSIBLY IMPOSTUMATE IMPOUNDAGES IMPRIMATURS IMPUISSANCE IMPUTATIONS INFRAHUMANS INHUMANNESS INHUMATIONS INNUMERATES INSECTARIUM INSULARISMS INTERCAMPUS INTRAMURALS JOURNALISMS JUMHOURIYAS JUMPMASTERS KATADROMOUS KHIDMUTGARS KHITMUTGARS LAMBREQUINS LARGEMOUTHS LARYNGISMUS LAUNDROMATS LAWRENCIUMS LEBENSRAUMS LEPROMATOUS LEPROSARIUM LEUCHAEMIAS LEUCODERMAS LEUCOMAINES LEUKODERMAS LIGAMENTOUS LOCULAMENTS LONGANIMOUS LUKEWARMISH LUKEWARMTHS LUMBAGINOUS LUMBERJACKS LUMBERYARDS LUMBOSACRAL LUMBRICALES LUMBRICALIS LUMINARISMS LUMINARISTS LUMINATIONS MACHINEGUNS MACROFAUNAS MACULATIONS MACULATURES MAGISTERIUM MAGNANIMOUS MAILPOUCHES MAKUNOUCHIS MALADJUSTED MALAGUETTAS MALENTENDUS MALICIOUSLY MALLEOLUSES MALLOWPUFFS MAMMIFEROUS MANDAMUSING MANEUVERERS MANGALSUTRA MANICURISTS MANIPULATES MANNIFEROUS MANOEUVRERS MANSUETUDES MANUMISSION MANUMITTERS MANUSCRIPTS MAQUILLAGES MARGUERITAS MARGUERITES MARQUESSATE MARQUETRIES MARQUISATES MARQUISETTE MARVELOUSLY MASCULINELY MASCULINISE MASCULINIST MASCULINITY MASCULINIZE MASQUERADED MASQUERADER MASQUERADES MASSASAUGAS MASTERFULLY MASTURBATED MASTURBATES MASTURBATOR MATURATIONS MAUDLINISMS MAUDLINNESS MAUNDERINGS MAVOURNEENS MEASURELESS MEASUREMENT MEDIASTINUM MEERSCHAUMS MEGAGAUSSES MEGALOSAURI MEGALOSAURS MELIPHAGOUS MEMBRANEOUS MEMORANDUMS MENSTRUALLY MENSTRUANTS MENSTRUATED MENSTRUATES MENSURATION MENSURATIVE MENTHACEOUS MESHUGAASEN MESHUGGENAH METASEQUOIA METHUSELAHS METROSEXUAL MICROFAUNAS MICROQUAKES MIGRAINEURS MILQUETOAST MIMOSACEOUS MINACIOUSLY MINAUDERIES MINAUDIERES MINIATURISE MINIATURIST MISADJUSTED MISASSUMING MISCREAUNCE MISEDUCATED MISEDUCATES MISEVALUATE MISFEATURED MISFEATURES MISGUIDANCE MISLABOURED MISMEASURED MISMEASURES MISPERSUADE MODULARISED MODULATIONS MONOCARPOUS MONOCHASIUM MONOLATROUS MONOPHAGOUS MORATORIUMS MORULATIONS MOUDIEWARTS MOULDBOARDS MOULDYWARPS MOUNTAINOUS MOUNTEBANKS MOUSTACHIAL MOUSTACHIOS MOUTHGUARDS MOUTHWASHES MUCKRAKINGS MUCKSPREADS MUDCAPPINGS MUDDLEHEADS MUFFALETTAS MUFFULETTAS MUKHABARATS MULTANIMOUS MULTIACCESS MULTICAMPUS MULTICAUSAL MULTICHAINS MULTIFLORAS MULTIFOCALS MULTIGRADES MULTIGRAINS MULTILAYERS MULTIMEDIAS MULTIPAROUS MULTIPHASES MULTIPHASIC MULTIPLANES MULTIPLANTS MULTIRANGES MULTISERIAL MULTISONANT MULTISPIRAL MULTISTAGES MULTISTATES MULTISTRAND MULTITASKED MULTITASKER MULTITRACKS MULTIVALVES MULTIVOCALS MUNDANENESS MUNDANITIES MURDERBALLS MUSCADELLES MUSCARDINES MUSCATORIUM MUSCULARITY MUSCULATION MUSCULATURE MUSICALISED MUSICALISES MUSICALIZED MUSICALIZES MUSICALNESS MUSICIANERS MUSSITATING MUSSITATION MUSTACHIOED MUSTARDIEST MUTABLENESS MUTAGENESES MUTAGENESIS MUTAGENISED MUTAGENISES MUTAGENIZES MUTATIONIST MUTESSARIFS MUTILATIONS MUTTONHEADS MUTUALISING MUTUALISTIC MUTUALITIES MYCOPHAGOUS MYELOMATOUS MYRIAPODOUS MYSTAGOGUES NAMAYCUSHES NASTURTIUMS NATATORIUMS NATURALISMS NEMATODIRUS NEURILEMMAS NEUROLEMMAS NEUROMATOUS NEUROPLASMS NEUTRALISMS NONMUSICALS NONMUSICIAN NOUMENALISM NOUMENALIST NOVODAMUSES NUCLEOPLASM NUCLEOSOMAL NUMERATIONS NUMISMATICS NUMISMATIST NURSEMAIDED NURSERYMAID NYSTAGMUSES OCEANARIUMS OMNIFARIOUS OMNISEXUALS ORGANISTRUM OUTDOORSMAN OUTMASTERED OUTMEASURED OUTMEASURES OUTSCREAMED OUTSMARTING OVERMEASURE PALUDAMENTS PAMPELMOUSE PANARITIUMS PANCRATIUMS PANJANDRUMS PARAMECIUMS PARASCENIUM PARIMUTUELS PASTEURISMS PEDAGOGUISM PENTAMEROUS PENTATHLUMS PETROLATUMS PHOTOMURALS PLUMASSIERS PLUMDAMASES PNEUMOGRAMS POLYAMOROUS POLYCHASIUM POMOSEXUALS POPULARISMS PORTMANTUAS PRAEMUNIRES PRAESIDIUMS PRAETORIUMS PREMEASURED PREMEASURES PRIMAQUINES PRIMIPAROUS PROCAMBIUMS PROMULGATES PROTOHUMANS PSEUDIMAGOS PSEUDOMONAD PSEUDOMONAS PUMPHANDLES PURITANISMS QUADRIREMES QUADRIVIUMS QUADRUMANES QUADRUMVIRS QUAGMIRIEST QUARRELSOME QUIZMASTERS RAGAMUFFINS RAJPRAMUKHS RAMGUNSHOCH REACCUSTOMS REARGUMENTS REHUMANISED REHUMANISES REHUMANIZES REMEASURING REMUNERATES RESTIMULATE RHAMNACEOUS RHEUMATEESE RHEUMATISES RHEUMATISMS RHEUMATIZES RHIZOMATOUS RHUMBATRONS RUFFIANISMS RUMBUSTICAL RUMFUSTIANS RUMINATIONS SACCULIFORM SALBUTAMOLS SALMAGUNDIS SANATORIUMS SANITARIUMS SANITORIUMS SARCOMATOUS SATELLITIUM SCARAMOUCHE SCOTOMATOUS SCOUTMASTER SCRUMMAGERS SCRUMMAGING SEABORGIUMS SEAQUARIUMS SECULARISMS SEMELPAROUS SEMIAQUATIC SEMIDIURNAL SEMINATURAL SEMIPOPULAR SEMIQUAVERS SENSUALISMS SHUNAMITISM SIMULACRUMS SIMULATIONS SIMULCASTED SINARQUISMS SINGULARISM SLUMBERLAND SMALLMOUTHS SMARTMOUTHS SNAKEMOUTHS SOMERSAULTS SOMNAMBULAR SOMNAMBULES SOMNAMBULIC SPARGANIUMS SPERMADUCTS SPHAERIDIUM SQUAMATIONS SQUEAMISHLY STAMINODIUM STIMULATERS STIMULATING STIMULATION STIMULATIVE STIMULATORS STIMULATORY STOMACHFULS STOMODAEUMS STRAMINEOUS STRAMONIUMS SUBASSEMBLE SUBASSEMBLY SUBBASEMENT SUBCLIMAXES SUBCOMPACTS SUBDERMALLY SUBDOMINANT SUBFAMILIES SUBFRAGMENT SUBHARMONIC SUBIMAGINAL SUBIMAGINES SUBLIMATING SUBLIMATION SUBLIMINALS SUBMANAGERS SUBMANIFOLD SUBMARGINAL SUBMARINERS SUBMARINING SUBMATRICES SUBMATRIXES SUBMEDIANTS SUBMITTABLE SUBNORMALLY SUBPRIMATES SUBPROGRAMS SUBSAMPLING SUBSCHEMATA SUBSTRATUMS SUBTACKSMAN SUBTACKSMEN SUBTERMINAL SUBUMBRELLA SUBURBANISM SUCCEDANEUM SUDATORIUMS SUFFRAGISMS SUFFUMIGATE SULFONAMIDE SUMATRIPTAN SUMMABILITY SUMMARINESS SUMMARISERS SUMMARISING SUMMARIZERS SUMMARIZING SUMMATIONAL SUMMERSAULT SUNBEAMIEST SUPERFAMILY SUPERFEMALE SUPERHUMANS SUPERMARKET SUPERNORMAL SUPERORGASM SUPPEDANEUM SUPREMACIES SUPREMACISM SUPREMACIST SUPREMATISM SUPREMATIST SURBASEMENT SURREALISMS SURROGATUMS SURVIVALISM SUSTAINMENT SYLLABARIUM SYMPATHIQUE SYMPETALOUS TAMBOURINES TAUTOLOGISM TAUTOMERISM TAUTONYMIES TAUTONYMOUS TEMERARIOUS TEMPTATIOUS TETRAMEROUS TEXTUALISMS THALICTRUMS THAUMASITES THUMBSTALLS TOURMALINES TOURNAMENTS TOXALBUMINS TRANSHUMANT TRANSHUMING TRANSMUTERS TRANSMUTING TRAUMATISED TRAUMATISES TRAUMATISMS TRAUMATIZES TROPAEOLUMS TRUCKMASTER TULARAEMIAS TUMATAKURUS TUMULTUATES ULTRASIMPLE ULTRASMOOTH UMBONATIONS UMBRATILOUS UNAMBIGUOUS UNAMBITIOUS UNAMORTISED UNAMUSINGLY UNANIMITIES UNANIMOUSLY UNASHAMEDLY UNASSEMBLED UNCUSTOMARY UNDERMASTED UNFAMILIARS UNGLAMOROUS UNHUMANISED UNHUMANISES UNHUMANIZES UNIDEALISMS UNMALICIOUS UNMANLINESS UNMASCULINE UNMECHANISE UNMORALISED UNMUSICALLY UNROMANISED UNSCRAMBLED UNSCRAMBLER UNSCRAMBLES UNSOCIALISM UNTAMEDNESS UPSTREAMING URODYNAMICS UTOPIANISMS VANGUARDISM VASCULIFORM VIRTUALISMS VOLUNTARISM WAMPUMPEAGS WAVENUMBERS