87517 words contain the letter “R”
3 letters
airarcarearmartbarbracarcrydryearerafarforfurherjarmarnorourparperproramranrapratrawrayrecredrefregrepresrevridrimriprobrodromrowrugrunsersirsritartryvarwararbarfarkarsbrobrrburcorcurdorereergernerrersferfirfrofrygargorireirkkirkorlarmirmoroaroraorborcoreorsortprypurradragrahrajrasraxrebreereiremretrexrhoriaribrifrigrinrocroerotrubruerumrutryaryetorurburdurnwryyar
4 letters
acrearchareaarmsarmyartsbarebarnbarsbearbeerbirdbornbradbrasburncarbcardcarecarlcarscartcharcordcorecorkcorncrewcropcuredaredarkdeardeerdirtdoordragdrawdrewdropdrugdrumearlearnearseuroeverfairfarefarmfearfirefirmfordforkformfortfourfreefrogfromgeargirlgoregrabgradgraygrewgreygridgripgrowguruhairhardharmharthearherbhereherohirehornhourhurtironjurykirklordmarcmarkmarsmartmeremorenearnormoraloursoverpairparaparkpartpeerpoorporkportpourprayprepprospureracerackrageraidrailrainrandrankrarerateratsraysreadrealrearreedreefreelrelyrentrestricerichrickrideringriperiseriskroadrockrolerollroofroomrootroperoserowsrubyrugsrulerunsrushruthsortstarsuresurfteartermthrutiertiretourtraptraytreetrektrimtriotriptroytrueturnurgeuservaryverywardwarewarmwarswearwerewirewordworkwormwornwrapyardyarnyearyourzeroabriaeroaeryafaragaragerairnairsairtairyajaralaramiraperarakarbsarcoarcsaresarfsariaaridarilarksarseartyarumarvoarylauraaverawrybarbbardbarfbarkbarmbergbermbierbirkbirlbirrblurboarboorboraborebortbraebragbranbratbrawbraybredbreebrenbrewbriebrigbrimbrinbriobrisbritbroobrosbrowbrrrbrutbuhrburaburdburgburlburpburrbursburybyrebyrlcarkcarncarpcarrcerecerocirecoircorfcormcorycrabcragcramcrapcrawcribcriscroccrowcrudcruscruxcurbcurdcurfcurlcurncurrcurscurtczardarbdarndartderedermdiredirkdirldoerdoredorkdormdorpdorrdorsdorydourdrabdramdratdraydreedregdrekdribdripdrubdrysduraduredurndurodurrdyerecrueeryegeremirerasergoergserneernseroserrserstewereyereyraeyreeyryfardfarlfarofartferefernfiarfirnfirsfora