8-Letter Words Containing UM

There are 676 8-letter words that contain UM. 295 are common words, such as ACTINIUM and ADDENDUM. A rarer one is ZOOECIUM. In this set, E is the most frequent open letter (355 words). 128 words contain a doubled letter.

Full list 676

Common words

actiniumaddendumageratumalbumensalbuminsalluviumaluminasaluminumaquariumargumentassumingautumnal
actiniumaddendumageratumalbumensalbuminsalluviumaluminasaluminumaquariumargumentassumingautumnalbenumbedbienniumbitumensbumblersbumblingbumpiestbumpkinscadmiumscalciumscalumetscambiumscapsicumcementumcerebrumchromiumchummierchummilychummingclumpierclumpingclumsierclumsilycoliseumcolumnarcolumnedconsumedconsumerconsumescorundumcostumedcostumercostumescraniumscrumbiercrumbingcrumbledcrumblescrummiercrumpetscrumpledcrumplescucumbercumberedcumbrouscumquatsdecorumsdeliriumdocumentdoldrumsdrumbeatdrumlinsdrummersdrummingdumbbelldumbnessdumfounddumpiestdumplingdumpsterduodenumeardrumsemporiumencomiumencumbereuropiumexhumingfactotumfermiumsfranciumfrumpierfrumpishfrustumsfulcrumsfumblersfumblingfumigantfumigategalliumsgalumphsgeraniumglummestglumnessgrumbledgrumblergrumblesgrumpiergrumpilygumboilsgumdropsgummiestgumptiongumshoedgumshoeshafniumshahniumsholmiumshoodlumshoumuseshumanelyhumanesthumanismhumanisthumanityhumanizehumanoidhumblershumblesthumblinghumdrumshumidesthumidifyhumidityhumidorshumilityhummockshummockyhummuseshumoringhumoristhumoroushumouredhumpbackhumphingillumineincumberinhumaneiridiumsjejunumsjumblingjumpiestjumpsuitkumquatslaburnumlaudanumlinoleumlithiumslumbagoslumberedlumbererluminaryluminouslummoxeslumpiestlutetiummanumitsmaximumsminimumsmodicumsmomentummonumentmugwumpsmumblersmumblingniobiumsnobeliumnonhumannostrumsnumberednumbnessnumeracynumeralsnumeratenumerousnuminousnumskullopossumsoptimumspabulumspendulumpenumbraperfumedperfumerperfumesperineumplatinumplectrumplumagesplumbersplumbingplumiestplummetsplumpestplumpingpoloniumpremiumspresumedpresumespudendumpummeledpumpkinsrenumberresiduumresumingrheniumsrheumierrhodiumsrostrumsrubidiumrumbaingrumblingruminantruminaterummagedrummagesrumoringrumouredrumplingrumpusessamariumsanctumsscandiumscrotumsscumbagsscummierscummingseleniumslumbersslumdogsslumlordslummierslummingslumpingsolariumsorghumsspectrumsphagnumspumiestspumonesspumonisstadiumssternumsstratumsstrummedstrumpetstumbledstumblerstumblesstumpierstumpingsubhumansubsumedsubsumessuccumbssummeredsummitrysummonedsummonertantalumtantrumsterbiumsthalliumthoriumsthrummedthuliumsthumbingthumpingtitaniumtraumatatrilliumtritiumstriumphstriumvirtrumperytrumpetstrumpingtumblerstumblingtumbrelstumbrilstumiditytumoroustympanumumbiliciumbragesumbrellaumpiringuraniumsvacuumedvanadiumviburnumvivariumyttriumsyummiestabomasumaciculumadumbralalbumosealburnumallodiumalumrootalyssumsammoniumarcanumsargentumascidiumbasidiumbdelliumbrachiumbuckjumpbumboatscaladiumcentrumscerumenschecksumchetrumsciboriumcingulumcoagulumcolumbicconidiumcoumarincrumhorncrumpingcumulatecumulouscustumalcymatiumdelubrumdeplumeddeplumesdidymiumdiluviumdisplumedominiumdrumfiredrumfishdrumheaddumbheaddumpcartdumpingsdumpsiteecumenicelectrumerumpenteulogiumexemplumexordiumflummeryflumpingfoumartsfrenulumfrumentyfrumpilyfumarolefuminglyfumitoryfurculumgalbanumgazumpedglucinumgonidiumguaiacumgumballsgumbootsgumbotilgummitesgummosesgummosisgumtreesgumwoodsgyneciumhanumansharrumphhummablehummingshymeniumhypogeumilliniumillumingimperiumindusiuminoculumlabdanumlabellumladanumslixiviumlumpfishlustrumsmasuriummezereummyceliumngultrumnoumenalnoumenonnumbfishnumerarynummularnympheumolibanumomentumsoogoniumopiumismpalliumspatagiumpeculiumperidiumplumagedplumbagoplumberyplumbismplumcotsplummierpomatumsprehumanpupariumpygidiumpyxidiumramentumreassumeresummonrosariumrummagersacellumsatsumasscholiumscrummedscrumpedscumblessiliciumsolatiumsorediumspeculumspiculumstumpagestumperssudariumsummablesummerlysumpterssumptionsyconiumteetotumtegumenttumplinevariorumvasculumvelariumvexillumviaticumvinculumaconitumaecidiumaerobiumagendumsalarumedaluminesaluminicapteriumassumersatheneumbaculumsbedumbedbejumblebethumpsblackgumblellumsbluegumsbothriumbrumbiesbumperedcaesiumscardamumchillumschumpingchumshipclumbersclumpishcoassumecolumelscolumnalcoremiumcostumeycoumariccoumaroucrumberscrumbumscrummiescumarinscumberercumshawscurcumasdegummeddiestrumdrumbleddrumblesdrumlierdrumlikedrumroll

About this list

Words
676 (295 common words)
Common example
actinium
Rare example
zooecium
Doubled letters
128
Ending in S
224
Most frequent letter
E (355)

Questions

How many 8-letter words containing um are there?

676. 295 of them are common words.

What is a common example?

ACTINIUM is among the common words in this set.