There are 711 twelve-letter words containing A, L, R and 2S, https://www.bestwordlist.com/c/a/5/12letterwordswithalrss.htm ABNORMALISMS ACAROLOGISTS ADMIRALSHIPS ADORABLENESS ADULTERESSES AEROSOLISING AGGRESSIVELY ALDOSTERONES ALEXANDERSES ALLEGORISERS ALLOSAURUSES ALLOTROPISMS ALPROSTADILS AMPHISTYLARS ANASTROZOLES ANDROLOGISTS ANGLERFISHES ANKYLOSAURUS ANTIREALISMS ANTIREALISTS APLANOSPORES AQUARELLISTS ARAEOSYSTYLE AREOSYSTILES ARISTOLOGIES ARTERIALISES ARTFULNESSES ARTILLERISTS ASPERGILLUMS ASSIMILATORS ASSIMILATORY ASTERISKLESS ASTROLATRIES ASTROLOGISTS AUSCULTATORS AUTOSAMPLERS BACHELORISMS BACKSLAPPERS BALDERDASHES BALLANWRASSE BARBASTELLES BARRELHOUSES BASTARDLIEST BEADBLASTERS BEARABLENESS BEGGARLINESS BILHARZIASES BILHARZIASIS BILHARZIOSES BILHARZIOSIS BIRACIALISMS BLACKLISTERS BLADDERNOSES BLASTOSPHERE BLASTOSPORES BLEARINESSES BLOODSTREAMS BOARDSAILORS BOUNDARYLESS BRAAIVLEISES BREASTPLATES BREATHALYSES BREATHLESSLY BRISTLETAILS CALENDARISES CALENDARISTS CARBOXYLASES CARELESSNESS CARILLONISTS CARPOLOGISTS CAVALIERISMS CENTRALISERS CEREBRALISMS CEREBRALISTS CEROPLASTICS CHALKSTRIPES CHESSPLAYERS CHILDERMASES CHLOROPLASTS CHROMOPLASTS CHRYSOCOLLAS CIRCULARISES CIRCULARNESS CLAIRSCHACHS CLARINETISTS CLEARSTORIES CLERICALISMS CLERICALISTS CLICKSTREAMS COELUROSAURS COLOURWASHES COMMISSARIAL CONSISTORIAL CORIVALSHIPS COSMOLATRIES COUNTERSEALS COWARDLINESS CRASSULACEAN CRIMINALESES CRIMINALISES CRIMINALISTS CRITICALNESS CROSSABILITY CRYSTALISERS CRYSTALISING CRYSTALIZERS CRYSTALLINES CRYSTALLISED CRYSTALLISER CRYSTALLISES CRYSTALLITES CRYSTALLITIS CRYSTALLIZES CRYSTALLOIDS DASTARDLIEST DAUGHTERLESS DECARTELISES DECRETALISTS DEERSTALKERS DEFORMALISES DEGLAMORISES DEMORALISERS DEPOLARISERS DERACIALISES DESACRALISED DESACRALISES DESACRALIZES DESALINATORS DESCRAMBLERS DESTABILISER DESULFURATES DETRIBALISES DIGRESSIONAL DILATORINESS DISANNULLERS DISAPPROVALS DISASSEMBLER DISASTROUSLY DISENTHRALLS DISENTRAYLES DISPLEASURED DISPLEASURES DISRELATIONS DISSIMILARLY DISSIMULATOR DOLLARFISHES DRAWLINGNESS DREADFULNESS DREAMFULNESS DRILLMASTERS DRYSALTERIES ECCLESIARCHS EMASCULATORS EMULATRESSES ENCARNALISES ENLARGEDNESS EPISTOLARIES ERGASTOPLASM ERYSIPELASES ESTABLISHERS ESTRANGHELOS ETHEREALISES ETHEREALNESS EVANGELISERS EVERLASTINGS EXPRESSIONAL EXTERNALISES EXTERNALISMS EXTERNALISTS EXTRASYSTOLE EXTRINSICALS FAIRYFLOSSES FALDISTORIES FAMILIARISES FAMILIARNESS FARCICALNESS FARTHINGLESS FATHERLINESS FEARLESSNESS FIBERGLASSED FIBERGLASSES FIBREGLASSED FIBREGLASSES FINGERSTALLS FISSIROSTRAL FLABBERGASTS FLAGRANTNESS FLASHPACKERS FLAVIVIRUSES FLUSTRATIONS FOOLHARDISES FORESTALLERS FORESTAYSAIL FORMALNESSES FORMULARISES FRUGALNESSES FUSTILARIANS FUSTILIRIANS GALLIARDISES GARBOLOGISTS GASTROLOGERS GASTROLOGIES GASTROLOGIST GASTROPLASTY GELATINISERS GENERALISERS GENERALSHIPS GIRDLESTEADS GLABROUSNESS GLAIRINESSES GLASSBLOWERS GLASSCUTTERS GLASSPAPERED GLASSWORKERS GLOBULARNESS GLOSSARIALLY GLOSSOGRAPHY GRACEFULNESS GRADABLENESS GRASSCYCLING GRATEFULNESS GROSSULARITE GUERILLAISMS GUTTURALISES GUTTURALISMS GUTTURALNESS HAIRLESSNESS HAIRSTYLINGS HAIRSTYLISTS HARMLESSNESS HEROICALNESS HORSEPLAYERS HOSPITALLERS HYDROLYSATES HYDROXYLASES HYPERPLASIAS HYPERSENSUAL IDOLATRESSES IDOLATRISERS ILLUSTRATEDS ILLUSTRATORS IMMORTALISES IMPERIALISES IMPERIALISMS IMPERIALISTS IMPERIALNESS IMPRESSIONAL INFRACLASSES INSALUBRIOUS INSEPARABLES INSUFFLATORS INSULARITIES INTERCLASSES INTERCOSTALS INTERNALISES INTERNALNESS INTERSEXUALS INTERSPERSAL IRONICALNESS IRREGARDLESS IRRESISTABLE IRRESISTABLY JOURNALISERS KARYOLOGISTS LABOUREDNESS LANDLORDISMS LAPAROSCOPES LARRIKINISMS LARYNGITISES LARYNGOSPASM LATCHSTRINGS LEASEHOLDERS LEATHERINESS LEGISLATRESS LEGISLATURES LEISUREWEARS LEMONGRASSES LEOPARDESSES LEOPARDSKINS LEPROSARIUMS LIBERALISERS LITERALISERS LITERARINESS LITERARYISMS LITERATENESS LOUDSPEAKERS LUKEWARMNESS MACROFOSSILS MADRIGALISTS MALADDRESSES MALAPERTNESS MALAPROPISMS MALAPROPISTS MALEFACTRESS MANGALSUTRAS MANNERLINESS MANORIALISMS MANSPLAINERS MARGINALISES MARGINALISMS MARGINALISTS MARLINSPIKES MARSHALLINGS MARSHALSHIPS MARSHLANDERS MARSHLOCKSES MARSHMALLOWS MASTERLINESS MATERIALISES MATERIALISMS MATERIALISTS MATERIALNESS MATERNALISMS MATRONLINESS MEGALOSAURUS MEMORIALISES MEMORIALISTS METROSEXUALS MILLENARISMS MINERALISERS MISAPPRAISAL MISERABILISM MISERABILIST MISERABLISMS MISERABLISTS MISRELATIONS MISTRANSLATE MONOCRYSTALS MONOLATRISTS MULTITASKERS MUSCULATURES NANOCRYSTALS NARCOLEPSIES NEUTRALISERS NONCLASSROOM OBSTROPALOUS OPERATORLESS ORACULARNESS ORIENTALISES ORIENTALISMS ORIENTALISTS ORIGINALISMS ORIGINALISTS OSCILLOGRAMS OSCULATORIES OSMOLARITIES OSTRACISABLE OVERANALYSES OVERANALYSIS OVERAROUSALS OVERCLASSIFY OVERLAVISHES PALSGRAVINES PALTRINESSES PARABLEPSIES PARAGLOSSATE PARALLELISES PARALLELISMS PARALLELISTS PARASAILINGS PARFOCALISES PASTEURELLAS PASTORALISMS PASTORALISTS PASTORALNESS PASTOURELLES PASTURELANDS PATERNALISMS PATERNALISTS PATROLOGISTS PEARLINESSES PECULIARISES PERCUSSIONAL PERISTALITHS PERLUSTRATES PERSONALISED PERSONALISES PERSONALISMS PERSONALISTS PERSONALIZES PERSONALTIES PERSUASIVELY PERSULPHATES PHYSIOLATERS PLAGIARISERS PLANISPHERES PLASTERINESS PLASTERSTONE PLASTERWORKS PLASTICISERS PLASTICIZERS PLASTICWARES PLASTOMETERS PLEASANTRIES PLEASURELESS PLEINAIRISMS PLEINAIRISTS PLOUGHSHARES POLARISCOPES POLYAMORISTS POLYCRYSTALS POLYSORBATES POPULARISERS POSTILLATORS POSTSURGICAL PRAYERLESSLY PREASSEMBLED PRECESSIONAL PRECLASSICAL PREDISPOSALS PREESTABLISH PRELATESHIPS PROBABILISMS PROBABILISTS PROCESSIONAL PRODIGALISES PROFESSIONAL PROFESSORIAL PROTHALLUSES PROVABLENESS PROVISIONALS PSEUDOSCALAR PYROCLASTICS QUACKSALVERS QUASICRYSTAL RADIOLOGISTS RALLYCROSSES RANUNCULUSES RAPSCALLIONS RATEABLENESS RATHSKELLERS RATIONALISES RATIONALISMS RATIONALISTS RATIONALNESS RATTLESNAKES READABLENESS REALISATIONS REAPPRAISALS REASONLESSLY REASSEMBLAGE REASSEMBLIES REASSEMBLING REASSURINGLY RECESSIONALS RECLASSIFIED RECLASSIFIES REGARDLESSLY REGIONALISES REGIONALISMS REGIONALISTS RELANDSCAPES RELATIONISMS RELATIONISTS RELATIONLESS RELATIVENESS RELEASEMENTS RELIABLENESS RENORMALISES REPROACHLESS RESEMBLANCES RESOCIALISED RESOCIALISES RESOCIALIZES RESPECTABLES RESPONSORIAL RESTABILISED RESTABILISES RESTABILIZES RESTIMULATES RESULTATIVES RESUSCITABLE RESVERATROLS RETRANSLATES RETROSEXUALS REVISUALIZES RIJKSDAALERS SACRAMENTALS SACRILEGIOUS SACRILEGISTS SACROCOSTALS SACROILIITIS SAILBOARDERS SALESPERSONS SALINOMETERS SALTATORIOUS SALTCHUCKERS SALUBRIOUSLY SALUTARINESS SALUTATORIES SALUTIFEROUS SANDBLASTERS SAPROLEGNIAS SAPROPELITES SARCOPLASMIC SARSAPARILLA SATINFLOWERS SCABBARDLESS SCALDBERRIES SCANDALISERS SCANDALIZERS SCATTERLINGS SCHOLARLIEST SCHOLARSHIPS SCHOOLCRAFTS SCHOOLMASTER SCHORLACEOUS SCISSORTAILS SCLERODERMAS SCOLOPENDRAS SEARCHLIGHTS SECULARISERS SECULARISING SECULARISTIC SECULARITIES SECULARIZERS SELECTORATES SELENOGRAPHS SEMITRAILERS SEQUESTRABLE SERRULATIONS SERTULARIANS SESQUIALTERA SESQUIALTERS SHAREHOLDERS SHAREMILKERS SHELFTALKERS SHINPLASTERS SHOVELBOARDS SHRIEVALTIES SIALORRHOEAS SIGILLARIANS SILENTIARIES SIMILARITIES SINGLETRACKS SINGULARISED SINGULARISES SINGULARISMS SINGULARISTS SINGULARIZES SINGULARNESS SINISTRALITY SINISTRORSAL SLANDEROUSLY SLAUGHTERERS SLAUGHTERIES SLAUGHTEROUS SLAVEHOLDERS SLAVOCRACIES SLEEPWALKERS SLIPSTREAMED SLUGGARDISED SLUGGARDISES SLUGGARDIZES SLUGGARDNESS SLUMBERLANDS SMALLHOLDERS SOCKDOLAGERS SOLARIMETERS SOLARISATION SOLIDARISTIC SOLIDARITIES SOLITARINESS SOMERSAULTED SOUTHLANDERS SPACEWALKERS SPECIALISERS SPECIALIZERS SPECTACULARS SPECTRALNESS SPHEROPLASTS SPIRITUALISE SPIRITUALISM SPIRITUALIST SPLASHBOARDS SPORANGIOLES SPORULATIONS SQUIRALITIES STABILISATOR STADTHOLDERS STAKEHOLDERS STALLHOLDERS STALLMASTERS STALWARTNESS STANDARDLESS STARTLEMENTS STATOLATRIES STEAMROLLERS STELLARATORS STELLERIDANS STERILISABLE STERNOCOSTAL STICKLEADERS STIGMASTEROL STILLATORIES STONEWALLERS STRABISMICAL STRANDWOLVES STRANGULATES STRAWFLOWERS STREAMLINERS STRIDULANCES STRIDULATORS SUBCARDINALS SUBINTERVALS SUBLAPSARIAN SUBLITERATES SUBLITTORALS SUBSCAPULARS SUBSCRIBABLE SUBSIDIARILY SUBUMBRELLAS SULFURATIONS SULPHURATORS SUMMARISABLE SUMMERSAULTS SUPERALTERNS SUPERCLASSES SUPERELASTIC SUPERFEMALES SUPERFICIALS SUPERLATIVES SUPERLAWYERS SUPERPLASTIC SUPERPLAYERS SUPERPOSABLE SUPERREALISM SUPERREALIST SUPERSEDABLE SUPERSENSUAL SUPERSPECIAL SUPRACRUSTAL SURPASSINGLY SURREALISTIC SURREALITIES SURREBUTTALS SURVEILLANTS SURVIVALISMS SURVIVALISTS SUSPENSORIAL SWALLOWWORTS SWASHBUCKLER SWORDPLAYERS SYLLABOGRAMS SYNCHROFLASH TEMPORALISES TEMPORALNESS TERRESTRIALS TETRAPOLISES THALASSOCRAT THROATLASHES TIMEPLEASERS TOTALISATORS TOWARDLINESS TRAGICALNESS TRAILBASTONS TRANQUILISES TRANQUILNESS TRANSALPINES TRANSFERRALS TRANSFUSABLE TRANSFUSIBLE TRANSLATIONS TRANSLATIVES TRANSLOCATES TRANSMITTALS TRANSPORTALS TRANSPOSABLE TRANSSEXUALS TRANSVALUERS TRANSVERSALS TRANSVERSELY TREASURELESS TRISYLLABLES TRITICALNESS TROPHOBLASTS TROPHOPLASMS TROPICALISES TURNTABLISTS ULTRASENSUAL ULTRASERIOUS ULTRAVIRUSES UNDERCLASSES UNDESIRABLES UNIVERSALISE UNIVERSALISM UNIVERSALIST UNSCRAMBLERS UNVULGARISES UROLITHIASES UROLITHIASIS VARIABLENESS VASCULARISED VASCULARISES VASCULARIZES VASCULATURES VASODILATORS VERTICALNESS VIRGINALISTS VITRAILLISTS VOLUNTARISMS VOLUNTARISTS WALDSTERBENS WATERGLASSES WEARIFULNESS WEATHERGLASS WINDLESTRAES WINDLESTRAWS WORKABLENESS WORKAHOLISMS WRATHFULNESS