There are 1009 eight-letter words containing A, R and 2S, https://www.bestwordlist.com/c/a/4/8letterwordswitharss.htm
ABROSIAS ABSTRUSE ACCURSES ACCUSERS ACRASIAS ACRASINS ACTRESSY
ADVISERS ADVISORS AEROSATS AEROSOLS AGAROSES AGISTERS AGISTORS
AIRBASES AIRBUSES AIRINESS AIRPOSTS AIRSHEDS AIRSHIPS AIRSHOTS
AIRSHOWS AIRSIDES AIRSTOPS AKRASIAS ALASTORS ALLSORTS AMASSERS
AMORISMS AMORISTS AMOROSAS AMOROSOS ANESTRUS ANSEROUS ANURESES
ANURESIS APPOSERS APPRISES APYRASES ARABESKS ARABISES ARBLASTS
ARCHNESS ARCSINES ARGOSIES ARIDNESS ARMRESTS AROUSALS AROUSERS
ARRISHES ARSENALS ARSENICS ARSENOUS ARSHEENS ARSHINES ARSONIST
ARSONOUS ARTINESS ARTISANS ARTISTES ARTSIEST ASCARIDS ASCRIBES
ASHERIES ASHRAMAS ASHTRAYS ASPERGES ASPEROUS ASPERSED ASPERSER
ASPERSES ASPERSOR ASPIRERS ASPIRINS ASSAILER ASSARTED ASSAYERS
ASSENTER ASSENTOR ASSERTED ASSERTER ASSERTOR ASSESSOR ASSEVERS
ASSIGNER ASSIGNOR ASSISTER ASSISTOR ASSIZERS ASSORTED ASSORTER
ASSUAGER ASSUMERS ASSUREDS ASSURERS ASSURING ASSURORS ASTERIAS
ASTERIDS ASTERISK ASTERISM ASTHORES ASTRICTS ASTROIDS ATRESIAS
ATTRISTS AUSFORMS AUSTRALS BARBLESS BARDISMS BARENESS BARGESTS
BARISTAS BARKLESS BARONESS BARTSIAS BASTARDS BESMEARS BESWARMS
BLASTERS BOASTERS BOREASES BORSTALS BRANSLES BRASEROS BRASHEST
BRASIERS BRASSAGE BRASSARD BRASSART BRASSETS BRASSICA BRASSIER
BRASSIES BRASSILY BRASSING BRASSISH BRITSKAS BUSTARDS CAESURAS
CAPRESES CARASSOW CARCASES CARELESS CARESSED CARESSER CARESSES
CAROUSES CASCARAS CASERNES CASHIERS CASSPIRS CATERESS CERASINS
CERASTES CHARASES CHARISMS CHASSEUR CLASHERS CLASPERS CLASSERS
CLASSIER COARSENS COARSEST COARSISH COASTERS CORSAGES CORSAIRS
COSTARDS COWGRASS CRANTSES CRASHERS CRASSEST CREASERS CRESTALS
CREVASSE CROSSARM CROSSBAR CROSSWAY CRUSADES CRUSADOS CRUSIANS
CRYSTALS CURASSOW CUSTARDS CUTGRASS CZARISMS CZARISTS DABSTERS
DANSEURS DARKNESS DARNESTS DARSHANS DASTARDS DASYURES DAYSTARS
DEARESTS DEARNESS DEBASERS DEGASSER DESPAIRS DESUGARS DIARISES
DIARISTS DIASTERS DISASTER DISBARKS DISCARDS DISHRAGS DISPARKS
DISPARTS DISRANKS DISRATES DISSAVER DRABNESS DRASTICS DRESSAGE
DROSERAS DURMASTS DUSTRAGS DYSURIAS EARNESTS EARSHOTS EELGRASS
EMISSARY ENGRASPS ENSNARES ENSNARLS ERASIONS ERASURES ERSATZES
ESCAPERS ESCOLARS ESPARTOS ESSAYERS ESTERASE ESTRADES ESTREATS
FAIRNESS FARSIDES FEARLESS FEASTERS FELSPARS FISSURAL FLASHERS
FORESAYS FORSAKES FRACASES FREESIAS FRETSAWS FUSAROLS GAGSTERS
GARBLESS GARISHES GASTREAS GASTRINS GASWORKS GEARLESS GIRASOLS
GISARMES GLASSIER GLOSSARY GNASHERS GOSSAMER GRADUSES GRASPERS
GRASSERS GRASSIER GRASSILY GRASSING GRASSUMS GRAYNESS GREASERS
GREASIES GROSSART GUISARDS HAIRLESS HAMSTERS HARASSED HARASSER
HARASSES HARDNESS HARISSAS HARMLESS HARMOSTS HAROSETS HARPISTS
HARSHENS HARSHEST HARSLETS HARVESTS HEARSAYS HERSALLS HOARSENS
HOARSEST HYDRASES IMPRESAS INSNARES INSULARS IRISATES ISOBARES
ISOGRAMS JURASSIC KARAISMS KAROSHIS KAROSSES KASHMIRS KASHRUTS
KATSURAS KOMISSAR KURSAALS LABRYSES LACROSSE LAIRISES LAMSTERS
LARGESSE LASHKARS LASSLORN LASSOERS LEASURES LOPGRASS MACASSAR
MADRASAS MADRASES MADRASSA MAESTROS MAHSEERS MAISTERS MANSARDS
MARASCAS MARASMUS MARGOSAS MARISHES MARMOSES MARQUESS MARSALAS
MARSHALS MASCARAS MASQUERS MASSACRE MASSAGER MASSETER MASSEURS
MATGRASS MATSURIS MATTRASS MATTRESS MAYORESS MAYSTERS MEASURES
MEDRESAS MESOSAUR MISAVERS MISDRAWS MISFARES MISHEARS MISMARKS
MISPARSE MISPARTS MISRAISE MISRATES MISREADS MISSTART MISTRALS
MORASSES MOSASAUR MUSHRATS MUSKRATS MUSTARDS NARCISMS NARCISSI
NARCISTS NARCOSES NARCOSIS NARRASES NEARNESS NUTGRASS OLESTRAS
ORALISMS ORALISTS ORATRESS ORGIASTS OROPESAS OSSARIUM OSSATURE
OSSETRAS OSTMARKS OUTSOARS OVERPASS OVERSEAS PARASOLS PARISHES
PARISONS PARSINGS PARSLEYS PARSNEPS PARSNIPS PARVISES PASSAGER
PASSERBY PASSOVER PASSPORT PASSWORD PASTERNS PASTRIES PASTURES
PATTRESS PAVISERS PERSALTS PERSONAS PERUSALS PHAROSES PHRASERS
PIARISTS PIASTERS PIASTRES PINGRASS PLASHERS PLASTERS PLEASERS
PORTASES PRAISERS PRAXISES PREASSED PREASSES PRECASTS PRESAGES
PRESALES PRESOAKS PRESSFAT PRESSMAN PRISAGES PROSAISM PROSAIST
PROSOMAS PROTASES PROTASIS PRUSSIAN PSALTERS PURSUALS QUASHERS
RABASKAS RACHISES RACINESS RADISHES RADIUSES RAILLESS RAINLESS
RAISINGS RAKSHASA RANKISMS RANKISTS RANKLESS RANKNESS RANSACKS
RAPTNESS RARENESS RASBORAS RASCASSE RASCHELS RASHNESS RASPIEST
RASPINGS RASSLERS RASSLING RASTRUMS RAVISHES RAYGRASS REALISES
REALISMS REALISTS REALNESS REARISES REASSAIL REASSERT REASSESS
REASSIGN REASSORT REASSUME REASSURE RECLASPS RECUSALS REFUSALS
REHASHES RELAPSES RELEASES RENNASES REPASSED REPASSES REPOSALS
RERAISES RESCALES RESEASON RESHAPES RESHAVES RESIANTS RESLATES
RESPACES RESPADES RESPEAKS RESPONSA RESPRAYS RESTACKS RESTAFFS
RESTAGES RESTAMPS RESTARTS RESTATES RETASTES RETSINAS REVISALS
REWASHES RIBGRASS RICKSHAS RIKISHAS RIKSHAWS RIVALESS ROADLESS
ROASTERS ROASTIES ROBUSTAS ROSACEAS ROSAKERS ROSALIAS ROSARIES
ROSEBAYS ROSELLAS ROSEOLAS ROTGRASS ROUSSEAU RUBASSES RUSALKAS
RUSSULAE RUSSULAS RYEGRASS SABREURS SABURRAS SACRINGS SACRISTS
SACRISTY SADDLERS SADIRONS SAFARIST SAFFRONS SAFROLES SAGGARDS
SAGUAROS SAHUAROS SAIMIRIS SAKERETS SALARIES SALFERNS SALLIERS
SALTERNS SALTIERS SALTIRES SALUTERS SAMBHARS SAMBHURS SAMOVARS
SAMPIRES SAMPLERS SAMSARAS SAMSARIC SAMSKARA SAMURAIS SANDBARS
SANDBURS SANDSPUR SANGRIAS SANSERIF SANTERAS SANTEROS SANTOORS
SANTOURS SAOUARIS SAPOROUS SAPROBES SARAFANS SARANGIS SARCASMS
SARCINAS SARCODES SARCOIDS SARCOMAS SARDANAS SARDINES SARGASSA
SARGASSO SARGOSES SARGUSES SARKIEST SARKINGS SARMENTS SARODIST
SARRASIN SARSDENS SARSENET SARSNETS SASARARA SASTRUGA SASTRUGI
SATIRISE SATIRIST SATYRALS SATYRESS SATYRIDS SATYRISK SAUCIERS
SAUNTERS SAURIANS SAUROIDS SAUTOIRS SAVARINS SAVIOURS SAVORERS
SAVORIES SAVOROUS SAWGRASS SAWHORSE SAWSHARK SAXHORNS SAZERACS
SCABROUS SCALARES SCALDERS SCALPERS SCAMMERS SCAMPERS SCAMSTER
SCANNERS SCARCEST SCARFERS SCARFISH SCARIEST SCARIOSE SCARIOUS
SCARLESS SCARLETS SCARPERS SCATTERS SCAUPERS SCAURIES SCHMEARS
SCHOLARS SCIARIDS SCRAICHS SCRAIGHS SCRAPERS SCRAPIES SCRAUCHS
SCRAUGHS SCRAVELS SCREAMOS SEABIRDS SEAGRASS SEAHORSE SEAMARKS
SEAMSTER SEAPORTS SEARCHES SEARINGS SEARNESS SEASHORE SEASONER
SEASURES SEAWARDS SEAWARES SEAWORMS SECULARS SEMINARS SEMITARS
SENARIES SENARIUS SENATORS SENHORAS SENSORIA SERAFINS SERFAGES
SERIATES SERIEMAS SERINGAS SERKALIS SEROVARS SERPULAS SERRANOS
SERRATES SERRATUS SERVANTS SEVERALS SEVRUGAS SHAFTERS SHAGGERS
SHALWARS SHAMMERS SHARIAHS SHARIATS SHARINGS SHARKERS SHARKISH
SHARNIES SHARPENS SHARPERS SHARPEST SHARPIES SHARPISH SHASTERS
SHASTRAS SHATTERS SHEARERS SHERANGS SHERIATS SHIKARAS SHIKARIS
SHIRAZES SHOPHARS SHORTIAS SICARIOS SIDEARMS SIDEBARS SIDECARS
SIGNORAS SIMARRES SIMITARS SIMULARS SIRGANGS SIRIASES SIRIASIS
SIRNAMES SISERARY SITARIST SKANGERS SKANKERS SKIWEARS SKYLARKS
SKYWARDS SLABBERS SLACKERS SLAISTER SLAMMERS SLANDERS SLANGERS
SLANTERS SLAPPERS SLASHERS SLATHERS SLATTERS SLIOTARS SMACKERS
SMARAGDS SMARTASS SMARTENS SMARTEST SMARTIES SMARTISH SMASHERS
SMATTERS SMEARERS SNACKERS SNAGGERS SNAPPERS SNARFLES SNARIEST
SNARINGS SNARLERS SNEAKERS SNOTRAGS SOARINGS SOCAGERS SOLACERS
SOLARISE SOLARISM SOLARIST SOPRANOS SORBATES SOROBANS SPADGERS
SPAIRGES SPALLERS SPAMMERS SPANKERS SPANNERS SPARAXIS SPARGERS
SPARKERS SPARKIES SPARKISH SPARKLES SPAROIDS SPARRERS SPARROWS
SPARSELY SPARSEST SPARSITY SPARTANS SPARTHES SPATTERS SPAWNERS
SPEAKERS SPEARERS SPHAERES SPHEARES SPIRAEAS SPIRANTS SPIRULAS
SPLASHER SPORRANS SPRAINTS SPRAYERS SPREAGHS SPREAZES SPURWAYS
SPYWARES SQUALORS SQUARERS SQUAREST SQUARISH SQUARSON SQUASHER
SRADDHAS STABBERS STABLERS STACKERS STAFFERS STAGGERS STAINERS
STALKERS STAMMERS STAMPERS STANDERS STAPLERS STARCHES STARDOMS
STARDUST STARFISH STARINGS STARKENS STARKERS STARKEST STARLESS
STARLETS STARNIES STARNOSE STAROSTA STAROSTY STARSHIP STARSPOT
STARTERS STARTISH STARTLES STARTUPS STARVERS STATURES STEALERS
STEAMERS STEARINS STERANES STEWARDS STIRRAHS STORAGES STORAXES
STRABISM STRAFERS STRAINTS STRAMASH STRANGES STRASSES STRATOSE
STRATOUS STRATUMS STRAYERS STRAYVES STRETTAS STRIATES STYRAXES
SUBADARS SUBAREAS SUBEDARS SUBPARTS SUBRACES SUBSIZAR SUBSOLAR
SUCRASES SUDARIES SUFFARIS SUGARERS SUMATRAS SUNCARES SUNDARIS
SUNSTARS SUNTRAPS SUNWARDS SURAMINS SURANCES SURBASED SURBASES
SURBATES SURCEASE SURCOATS SURFACES SURMISAL SURNAMES SURREALS
SURTAXES SVARAJES SWABBERS SWAGGERS SWAMPERS SWANKERS SWAPPERS
SWARAJES SWARMERS SWASHERS SWASHIER SWATHERS SWATTERS SWEARERS
SWEATERS SYMITARS SYNASTRY SYNCARPS SYRINGAS TAPSTERS TARRASES
TARSEALS TARSIERS TARTNESS TASKBARS TEARLESS TERRASES TERRASSE
TESSERAE TESSERAL THRASHES THRIMSAS THRYMSAS TIRASSES TISSULAR
TOASTERS TORSADES TRAIPSES TRAMLESS TRANSITS TRANSOMS TRAPESES
TRASHERS TRAVISES TREASONS TRESPASS TRIASSIC TRISHAWS TRISULAS
TRYSAILS TSARDOMS TSARINAS TSARISMS TSARISTS TSARITSA TURISTAS
TUSHKARS TWISCARS TZARISMS TZARISTS UNSNARLS UNSTRAPS UNSWEARS
UPRAISES UPRISALS UPSPEARS UPSTAIRS UPSTARES UPSTARTS UPSWARMS
URAEUSES URANISMS URICASES VAREUSES VASSALRY VAVASORS VAVASSOR
VERSANTS VIBRISSA VICARESS VOTARESS WABSTERS WAISTERS WAITRESS
WALRUSES WARDLESS WARDRESS WARELESS WARINESS WARISONS WARMISTS
WARMNESS WARSHIPS WARSLERS WARSTLES WARTLESS WASHRAGS WASTRELS
WASTRIES WRASSLED WRASSLES WRASTLES XERANSES XERANSIS XERASIAS
YAPSTERS