100421 words contain the letter “S”
3 letters
absadsashaskaspbuscosdisdosgashashisidsinsitslasmasonspaspsiressadsapsatsawsayseasecseesensersetshesicsimsinsipsirsitsixskiskysolsonsoxspaspysrisubsuesumsunupsusewasyesaasaisalsarsassaysbasbisbosbyscisefselsemsensersessfashesifsismjuskaskoslismismosmusnosnusodsoesohsomsopsorsosepespispusrassabsacsaesagsalsausaxsegseiselsewsexshashhshysibsisskaslysobsodsopsossotsousowsoystysupsuqsyntastistskunsutsvasviswiswosxis
4 letters
actsaddsagesaidsaimsalsoarmsartsasksaxisbagsbarsbasebassbedsbestbiasbidsbiosbitsbossboysbrasbugsbushbusybuyscamscapscarscasacasecashcastcatsconscostcupscutsdashdaysdeskdiesdiscdishdiskdocsdoesdogsdosedustearseaseeasteasyeggselseendseyesfansfastfeesfishfistfitsgapsgaysgetsgodsgoesgunsguyshashhatshisthitshosehostinnsislejetsjewsjobsjoshjustkeyskidskisskitslabslastlawslegslenslessletslibslieslipslistlogsloselosslostlotslowsmapsmarsmaskmassmatsmesameshmessmissmodsmomsmossmostmustnestnewsnosenutsoaksoddsoilsonesoopsoursownspadspasspastpayspeaspenspestpetspicspinsplusposepostprospubspushputsratsraysrestriseriskroserowsrugsrunsrushsafesagesaidsailsakesalesaltsamesandsanssavesaysscansealseasseatseedseekseemseenseesselfsellsemisendsentseptsetsshawshedshipshoeshopshotshowshutsicksidesignsilksimssingsinksitesizeskinskipslimslipslotslowsnapsnowsoapsofasoftsoilsoldsolesolosomasomesongsonssoonsortsoulsoupspanspasspecspinspotstarstatstaystemstepstopstudsuchsuitsuresurfswapswimsynctabstagstasktestthisthustiestipstonstopstoysuseduserusesvastvisawarswashwayswestwinswisewishaahsaalsabasabosabysacesadosagasailsainsairsaitsalasalbsalesallsalmsalpsaltsamasamisampsamusanasandsanesanisansaantsanusapesapsearbsarcsaresarfsarksarseasciaseaashyaspsatesauksavesavosawesawlsawnsaxesayesbaasbadsbalsbamsbansbapsbashbaskbastbatsbaysbeesbegsbelsbensbetsbeysbibsbigsbinsbisebiskboasbobsbodsbogsboosbopsboshboskbotsbowsbrisbrosbubs